TY  - BOOK
ED  - Institute of Electrical and Electronics Engineers
TI  - Electrical and electronics: Graphic symbols and reference designations 
SN  - 481634565
AV  - TK7816 I57 1987
PY  - 1987///
CY  - Nueva york
PB  - IEEE
KW  - Electrónica
KW  - Notacion
ER  -