Table 3: References to Tables 1 and 2.

No.	Reference	No.	Reference	No.	Reference	No.	Reference
1	Adams et al. (2001)	13	Hillenbrand & Hartmann (1998)	25	McNamara & Sanders (1977)	37	Sandquist (2004)
2	Adams et al. (2002)	14	Hurley et al. (2005)	26	McNamara & Sekiguchi (1986)	38	Scally et al. (2005)
3	Batinelli et al. (1994)	15	Jones (1970)	27	Nilakshi et al. (2002)	39	Spassova & Baev (1985)
4	Bonatto & Bica (2003)	16	Jones (1971)	28	Odenkirchen et al. (1998)	40	Sung et al. (1999)
5	Clariá & Lapasset (1988)	17	Jones & Walker (1988)	29	Palla & Stahler (1999)	41	Sung et al. (2002)
6	Dachs & Kabus (1989)	18	Joshi & Sagar (1983)	30	Pandey et al. (1989)	42	Tadross (2001)
7	Dambis (1999)	19	Kalirai et al. (2003)	31	Paunzen & Netopil (2006)	43	Tadross et al. (2002)
8	Danilov & Seleznev (1994)	20	Kharchenko et al. (2005)	32	Perryman et al. (1998)	44	Taylor (2007)
9	Dias et al. (2002)	21	Kopylov (1952)	33	Sagar & Bhatt (1989)	45	van Altena et al. (1988)
10	Dinescu et al. (1995)	22	Makarov et al. (2000)	34	Sagar & Cannon (1997)	46	VandenBerg & Stetson (2004)
11	Gieseking (1981)	23	Mathieu (1984)	35	Sagar et al. (1983)	47	von Hippel et al. (2002)
12	Girard et al. (1989)	24	Mathieu (1985)	36	Salaris et al. (2004)