TY  - BOOK
ED  - India.
TI  - Pyrites & Chemicals Development Co., ltd
AV  - HD9657.I44P93 
U1  - 338.4/7/66 
PY  - 1967///
CY  - New Delhi
PB  - Lok Sabha Secretariat
KW  - Pyrites & Chemicals Development Co
N1  - Cover title
ER  -