TY  - BOOK
AU  - Maclachlan, Malcolm
AU  - Maclachlan, Malcolm
TI  - An introduction to marine drilling/Malcolm Maclachlan
SN  - 1902157419
AV  - TN871.3 .M22 1987 
U1  - TN871.3 .M22 1987 
PY  - 1987///
PB  - [England] : Dayton's [Pub.] Ledbury, Herefords
ER  -