Foxcroft, G. E. 1924- Electronics 11-13 / [Books]. G.E. Foxcroft, J.L. Lewis, M.K. Summers. - Harlow : Longman, 1986 - 112p. : ill. ; 21cm. - Longman science 11-13 series . Includes index. ISBN: 0582311128 Subjects--Topical Terms: Electronics.