TY  - BOOK
AU  - Naidu, P. R. J.
TI  - Johannsen's optical mineralogy
U1  - 549.12 
PY  - 1967///
CY  - New Delhi
PB  - Allied Publishers private limitede
KW  - Petrological microscope
KW  - Anisotropic media
KW  - Isotropic media
ER  -