TY  - BOOK
AU  - Sereda, N. G. 
AU  - Solovyov, E. M. 
TI  - Drilling of oil and gas wells
U1  - 622.3381 
PY  - 1977///
CY  - Moscow
PB  - MIR
KW  - Drilling gass well
KW  - Mining
N1  - Includes index
ER  -