Wahlstrom, Ernest E. 1909- Optical Crystallography / by Ernest E. Wahlstrom - 2nd.ed. - New York : John Wiley & Sons, Inc., 1951 - vii, 247 pages .: graph, illustrations .; 23 cm Includes bibliographical references (p.: 235 - 237), indexs (p.: 239 - 247) ISBN: Subjects--Topical Terms: Crystallography Subjects--Geographic Terms: Physical optics Dewey Class. No.: 548.9 / WAH 1951