TY - GEN AU - Waterworth,G. TI - Electrical principles for technicians SN - 0713134437 (pbk.) vol.2 AV - TK146 .K56 U1 - 621.3 PY - 1985/// CY - London PB - Edward Arnold KW - Electrical Engineering KW - Theorems & Techniques N1 - Includes index ER -