TY - BOOK AU - Sommer,L. TI - Analytical absorption spectrophotometry in the visible and ultraviolet: the principles T2 - Studies in analytical chemistry SN - 0444988823 AV - QD96.A2 S65 1989 PY - 1989/// CY - Amsterdam, New York PB - Elsevier KW - Absorption spectra KW - Spectrophotometry N1 - Includes bibliographical references and index ER -