TY  - BOOK
AU  - Seminar on maintenance of mining machinery. 1976 (calcutta)
ED  - Seminar on maintenance of mining machinery. 1976 (calcutta)
TI  - Proceedings
U1  - X9(HZ):88.2.N7, L7 
PY  - 1977///
CY  -  New Delhi 
PB  - National Productivity council India      
KW  - Minings
ER  -