TY - BOOK AU - Bentley, Freeman F., AU - Smithson, Lee D. AU - Rozek, Adele L. TI - Infrared spectra and characteristic frequencies 700-300 cm-1: A collection of spectra, interpretation, and bibliography AV - QC457 B45 PY - 1968/// CY - New York PB - J. Wiley KW - Espectro infrarrojo ER -