Spitzer, Lyman Physical processes in the interstellar medium / Lyman Spitzer, Jr. - New York: Wiley, 1978. - xvii, 318 p. : ill. ; 24 cm - Physical Textbook . Includes bibliographical references. ISBN: 0471293354 Subjects--Topical Terms: Interstellar matter. Dewey Class. No.: 523.112 / SPI