TY  - BOOK
AU  - Ryan,Charles William
TI  - Basic electricity
T2  - A Wiley self-teaching guide
SN  - 0471747874
AV  - QC523 .R9
U1  - 537/.07/7 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Electricity
KW  - Programmed instruction
KW  - Local
N1  - Includes index
ER  -