TY  - BOOK
AU  - Watkins, A. J.
TI  - Electrical installation calculations: for preliminary and first year students 
SN  - 0750667834
AV  - MLCM 2006/40912 
U1  - 621.31 
PY  - 1957///
CY  - London
PB  - Edward Arnold
KW  - Electric circuits
KW  - Electronics
KW  - Tables
ER  -