TY  - BOOK
ED  - Bureau of Indian Standards
TI  - Guide for preparation of diagrams, charts & tables for electrotechnology, Part 1:definitions and classification 
U1  - 621.3.061.001:3:001. 4 B. I. S. 
PY  - 1977///
PB  - Bureau of Indian Standards
KW  - Manual
ER  -