Gibbs, David An Introduction To CNC Machining David Gibbs. - 2nd ed. - London : Cassell, 1987. - [208]p. : ill. ; 24cm. Previous ed.: 1984. Includes index. ISBN: 9780304314126 (pbk) : £6.50 Subjects--Topical Terms: Machine-tools--Numerical control. LC Class. No.: TJ1189 Dewey Class. No.: 621.9023