TY - BOOK AU - Winchell,Alexander Newton AU - Winchell,Horace TI - The microscopical characters of artificial inorganic solid substances: optical properties of artificial minerals U1 - 549.125 23 PY - 1964/// CY - New York PB - Academic Press KW - Optical mineralogy KW - Crystal optics KW - Mineralogy N1 - First ed. published in 1927 under title: The optic and microscopic characters of artificial minerals; Errata slip inserted; Bibliographical footnotes ER -