Bird, J. O. Mathematics for electrical technicians levels 2 / J. O. Bird, A. J. C. May. - London : Longman, 1980. - 371p. - Longman technician series : Mathematics and sciences . 1 0 0 ISBN: 0-582-41168-8 Source: 2003-300 Subjects--Topical Terms: Electrical engineering--Mathematics. LC Class. No.: TK153 / .B575 1979