TY - BOOK AU - Spitzer, Lyman TI - Physical processes in the interstellar medium SN - 978-0-471-29335-4 PY - 2004/// CY - Weinheim PB - Wiley-VCH Verlag Gmbh KW - Elastic collision KW - Interstellar matter KW - Kinetic equillibrium KW - Radiative processes ER -