TY - BOOK AU - Message,Gordon M. TI - Practical aspects of gas chromatography/mass spectrometry SN - 0-471-06277-4 AV - CHEM QD79.C45M46 PY - 1984/// CY - New York : PB - John Wiley and Sons KW - Gas chromatography KW - Mass spectrometry N1 - Includes bibliographical references and index ER -