TY  - BOOK
AU  - Srivastava V L
TI  - Socio economic survey of the workers in the coalmi
U1  - X9(F551):9.273.N5, L0 
PY  - 1970///
CY  - Calcutta
PB  - Scientific Book Agency India       
KW  - Petroleum Industry
N1  - Bib p. 633-38; Appendixes p. 617-32
ER  -