TY  - BOOK
ED  - British Standards Institution
TI  - Electrical engineering: draft revision of UDC 621.3
U1  - 025.4 
PY  - 1960///
CY  - London
PB  - BSI
KW  - Classification
KW  - Electrical engineering
N1  - Panel OC/20/4/5-Electrical engineering-UDC 621.3 of Documentation Standards Committee OC/20
ER  -