\begin{table}%T2
\caption{\label{tb:referencias}Main characteristics of the post-AGB stars selected for the analysis.}\small %\centering
\par
\begin{tabular}{l c c c c c c r r }
\hline\hline
 IRAS name    & {$E(B-V)$}    &    Ref.      & Chemistry & Ref.&  Sp.type   &   Ref.   &   GLON.   &   GLAT.    \\
\hline
 01005+7910   & 0.2  $\pm$ 0.1   & (25)      &  C   &   (25)   &   B2       &   (25)   &   123.57  &   +16.59   \\
 02229+6208   & 1.67 $\pm$ 0.09  & (17)      &  C   &   (37)   &   G9Ia     &   (37)   &   133.73  &   +1.50    \\
 04296+3429   & 1.3  $\pm$ 0.1   & (7, 15, 36)  &  C   &    (27)   &   G0Ia     &   (3)    &   166.24  &   $-$9.05  \\
 05113+1347   & 1.1  $\pm$ 0.2   & (26, 36, 40) &  C   &    (26)   &   G5I      &   (40)   &   188.86  &   $-$14.29 \\
 05251-1244   & 0.23 $\pm$ 0.09  & (35)      &  C   &   (42)   &   PN/07f   &   (14)   &   215.21  &   $-$24.28 \\
 05341+0852   & 1.65 $\pm$ 0.09  & (7, 17, 40)  &  C   &    (26)   &   F5I      &   (15)   &   196.19  &   $-$12.14 \\
 06530-0213   & 1.7  $\pm$ 0.2   & (36, 40)     &  C   &    (18)   &   F5I      &   (18)   &   215.44  &   $-$0.13  \\
 07134+1005   & 0.4  $\pm$ 0.1   & (15, 40)     &  C   &    (26)   &   F7 Ie    &   (40)   &   206.75  &   +9.99    \\
 08005-2356   & 0.7  $\pm$ 0.3   &  (15, 40)     &  O   &   (5)    &   F5I      &   (3)    &   242.36  &   +3.58    \\
 08143-4406   & 0.8  $\pm$ 0.1   &  (36, 40)     &  C   &   (39)   &   F8I      &   (36)   &   260.83  &   $-$5.07  \\
 08544-4431   & 1.45 $\pm$ 0.09  &  (29)         &  O   &   (29)   &   F3       &   (29)   &   265.50  &   +0.39    \\
 12175-5338   & 0.25 $\pm$ 0.09  &  (19, 38)     &  C   &   (46)   &   A9Iab    &   (32)   &   298.30  &   +8.67    \\
 16594-4656   & 2.2  $\pm$ 0.3   &  (20, 40, 44) &  C   &   (9)    &   B7       &   (44)   &   340.39  &   $-$3.29  \\
 17086-2403   & 0.86 $\pm$ 0.09  &  (40)         &  C?  &   (10)   &   PN+G5?   &   (34)   &   359.84  &   +8.99    \\
 17097-3210   & 0.06 $\pm$ 0.05  &  (30)         &  C   &   (45)   &   B9       &   (30)   &   353.36  &   +4.03    \\
 17150-3224   & 0.68 $\pm$ 0.09  &  (23)         &  O   &   (23)   &   G2I      &   (23)   &   353.84  &   +2.98    \\
 17245-3951   & 1.0  $\pm$ 0.1   &  (40)         &  O   &	(20)   &   F6I	&   (40)   &   348.81  &   $-$2.84  \\
 17395-0841   & 1.1  $\pm$ 0.2   &  (11, 40)     &  O?  &   (10)   &   PN+G     &   (11)   &   17.02   &   +11.10   \\
 17423-1755   & 1.13 $\pm$ 0.09  &  (11, 40)     &  O   &   (41)   &   Be       &   (11)   &   9.36    &   +5.78    \\
 17436+5003   & 0.24 $\pm$ 0.09  & (19)      &  O   &   (4)    &   F3 Ib    &   (48)   &   77.13   &   +30.87   \\
 18025-3906   & 1.15 $\pm$ 0.09  & (22, 40)     &   O   &   (24)   &   G1I      &   (40)   &   353.27  &   $-$8.72  \\
 18062+2410   & 0.6  $\pm$ 0.2   & (33, 40)     &   O   &   (33)   &   B1 I     &   (33)   &   50.67   &   +19.79   \\
 HD 172324    & 0.03 $\pm$ 0.02  & (6)       &  O   &   (1)    &   B9Ib     &	(1)    &   66.18   &   +18.58   \\
 19114+0002   & 0.60 $\pm$ 0.05  & (19, 40)     &   O   &   (4)    &   G5 Ia    &   (3)    &   35.62   &   $-$4.96  \\
 19200+3457   & 0.3  $\pm$ 0.1   & (11)      &  O?  &   (11)   &   B        &	(11)   &   67.57   &   +9.51    \\
 19386+0155   & 1.05 $\pm$ 0.09  & (2)       &  O   &   (28)   &   F5I      &   (31)   &   40.51   &   $-$10.09 \\
 19500-1709   & 0.37 $\pm$ 0.09  & (19)      &  C   &   (47)   &   F2-6 Ia  &   (3)    &   23.98   &   $-$21.04 \\
 20000+3239   & 1.6  $\pm$ 0.1   & (15, 26)     &   C   &   (21)   &   G8Ia     &   (21)   &   69.68   &   +1.16    \\
 20462+3416   & 0.38 $\pm$ 0.09  & (8,  43)     &   O   &   (8)    &   B1.5     &   (8)    &   76.60   &   $-$5.75  \\
 22023+5249   & 0.52 $\pm$ 0.09  & (12)      &  O   &   (13)   &   B        &   (12)   &   99.30   &   $-$1.96  \\
 22223+4327   & 0.2  $\pm$ 0.1   & (15, 26)     &   C   &   (26)   &   G0 Ia    &   (15)   &   96.75   &   $-$11.56 \\
 22272+5435   & 0.9  $\pm$ 0.2   & (15)      &  C   &   (16)   &   G5 Ia    &   (15)   &   103.35  &   $-$2.52  \\
 23304+6147   & 1.4  $\pm$ 0.2   & (15, 36)     &   C   &   (15)   &   G2 Ia    &   (15)   &   113.86  &   +0.59    \\
\hline
\end{tabular}
%}
\begin{tabular}{l l l l}\\
(1) \citet{Arellano01};      &   (13) \citet{Gauba04};    & (25) \citet{Klochkova02};&     (37) \citet{Reddy99};  \\
(2) \citet{Arkhipova00};     &   (14) \citet{Heap87};     & (26) \citet{Kwok95};     &     (38) \citet{Reed96};  \\
(3) \citet{Bakker97};        &   (15) \citet{Hrivnak95};  & (27) \citet{Kwok99};     &     (39) \citet{Reyniers04}; \\
(4) \citet{Bujarrabal92};    &   (16) \citet{Hrivnak91};  & (28) \citet{Lewis00};    &     (40) \citet{Suarez06}; \\
(5) \citet{Desmurs02};       &  (17) \citet{Hrivnak99a};      & (29) \citet{Maast03};    &     (41) \citet{Te_Lintel_Hekkert91}; \\
(6) \citet{Fernie83};        &  (18) \citet{Hrivnak03};   & (30) \citet{Malfait98};  &         (42) \citet{Torres-Peimbert80}; \\
(7) \citet{Fuji02};      &  (19) \citet{Hrivnak89};   & (31) \citet{Meixner99};  &     (43) \citet{Turner84}; \\
(8) \citet{Garcia-Lario97};  &  (20) \citet{Hrivnak99b};  & (32) \citet{Oudmaijer92};&     (44) \citet{Steene03}; \\
(9) \citet{Garcia-Lario99};  &  (21) \citet{Hrivnak00};   & (33) \citet{Parthasarathy00a}; &   (45) \citet{Van_der_Veen89}; \\
(10) Garc\'\i a-Lario (priv. comm.);& (22) \citet{Hu93a};      & (34) \citet{Parthasarathy00b}; &   (46) \citet{Van_Winckel97}; \\
(11) \citet{Gauba03a};       &   (23) \citet{Hu93b};      & (35) \citet{Pottasch04}; &     (47) \citet{Van_Winckel00}; \\
(12) \citet{Gauba03b};       &    (24) \citet{Hu94};      & (36) \citet{Reddy96}; &        (48) \citet{Volk89}. 
\end{tabular}
\end{table}