TY - BOOK AU - BIRCHALL,GEOFFREY SEDDON STOTT' 'G. TI - Electrical principles for installation and craft students T2 - Technical education series SN - 0070942692 (paperback) PY - 1971/// CY - [S.l.] PB - MCGRAW-HILL EDUCATION N1 - Import UR - http://www.amazon.com/exec/obidos/ASIN/0070942692/chopaconline-20 ER -