Meyer, Beat. Low temperature spectroscopy : optical properties of molecules in matrices, mixed crystals,and frozen solutions / Beat Meyer. - New York : American Elsevier, 1971. - x, 653 p. : illus. ; 24 cm. Bibliography: p. 495-595. ISBN: 0444000836 LCCN: 75-127771 //r85 Subjects--Topical Terms: Molecular spectroscopy.Low temperatures.