TY - BOOK AU - Frei,R.W. AU - MacNeil,James Daniel TI - Diffuse reflectance spectroscopy in environmental problem-solving SN - 0878190228 : U1 - 544.6 PY - 1973/// CY - Cleveland PB - CRC Press KW - Reflectance spectroscopy KW - Chromatographic analysis N1 - At head of title: CRC; Includes bibliographical references and index ER -