TY  - BOOK
T1  - Rotary drilling handbook ...
DA  - [c1948]
CY  - Los Angeles,
AU  - Brantly, John Edward,
ET  - 4th ed.
CN  - TN871
CN  - TN871
PB  - Palmer Pub.
PP  - Los Angeles,
PY  - [c1948]
ID  - 18185
KW  - Drilling and boring.
KW  - Oil well drilling.
TI  - Rotary drilling handbook ...
ER  -