TY  - BOOK
AU  - Razwy, Sayed A.A.
TI  - Emeralds of Pakistan: gcology,     gemology and genesis
SN  - 0-442-30328-9.
U1  - 553.86095491 
PY  - 1990///
CY  - Pakistan
PB  - Geological Survery of Pakistan
ER  -