TY - BOOK AU - Graf, Urs Ulrich. TI - Sub millimeter spectroscopy of the interstellar medium in star forming regions :a dissertation submitted to the department of phusics of the Ludwig-Maximillians-Universitat, Munich, Federal Republic of Germany U1 - 520/525(043.2) GRA PY - 1991/// PB - Ludwig-Maximillians-Universitat KW - Dissertation ER -