TY - BOOK AU - Ekman,Rolf TI - Mass spectrometry: instrumentation, interpretation, and applications T2 - Wiley-Interscience series on mass spectrometry SN - 9780471713951 (cloth) U1 - 543.65 22 PY - 2009/// CY - Hoboken, N.J. PB - John Wiley & Sons KW - ESPECTROMETRIA DE MASAS ER -