Maclachlan, Malcolm An introduction to marine drilling/Malcolm Maclachlan. - [England] : Dayton's [Pub.] Ledbury, Herefords 1987 - 345p. : ill.( some pic. ) 22cm. ISBN: 1902157419 LC Class. No.: TN871.3 .M22 1987 Dewey Class. No.: TN871.3 .M22 1987 National Library of Medicine Call No.: TN871.3 .M22 1987