...K

Based on observations collected at the German-Spanish Astronomical Centre, Calar Alto, operated by the Max-Planck-Institut für Astronomie, Heidelberg, jointly with the Spanish National Commission for Astronomy.

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...

In partial fulfillment of the requirements for a Ph.D., carried out at the Landessternwarte Heidelberg.

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...

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...HI-column-density

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...IR-100-$\mu$-cirrus

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...E_B-V

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...

Dickey & Lockman (1990).

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...

ISSA (1998).

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...

Schlegel et al. (1998).

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