TY  - BOOK
AU  - Winchell,Alexander N.
AU  - Winchell,Horace
TI  - Elements of optical mineralogy: an introduction to microscopic petrography
U1  - 549, .125 19
PB  - Wiley; Chapman & Hall
KW  - Optical mineralogy
KW  - Microscope and microscopy
KW  - Mineralogía Descriptiva
KW  - Investigación Microscópica
N1  - Previous ed.1933; Part 2; Descriptions of minerals, with special reference to their optical and microscopical characters
ER  -