TY  - BOOK
ED  - Institute Of Electrical And Electronics Enginners
TI  - Electrical and electronics: Graphic symbols and reference designations 
SN  - 0471023000
AV  - TK7816 I57
PY  - 1976///
CY  - New York
PB  - IEEE
KW  - Electronica
KW  - Notacion
N1  - "76-ansi/ieee y 32 e"
ER  -