TY  - BOOK
ED  - Symposium on drilling Technology and Engineering Aids to Geological Exploration (1980 : Calcutta)
TI  - Proceeding on drilling technology and engineering aisds to geological exploration
T2  - Geological survey of India, special publication no.; 4
U1  - HZ:130gD6p1,N80, M0 
PY  - 1984///
CY  - Hyderabad
PB  - Geological Survey of India      
KW  -  Geology
KW  -  Mining
KW  - Geochemical
ER  -