TY  - BOOK
AU  - Armstrong,Robert E.
TI  - Fundamentals of direct current
SN  - 0830608702 :
U1  - 621.319/12�19 
PY  - 1986///
CY  - Blue Ridge Summit, PA
PB  - Tab Books
KW  - Electric engineering
KW  - Electric currents, Direct
ER  -