TY  - BOOK
AU  - INDIAN STANDARDS INSTITUTION
TI  - IS:4249 - 1967 (with amendment no.1 - 1979) : Classification and Methods of Tests for Non-Ignitable and Self-Extinguishing Properties of Solid Electrical Insulating Materials
PY  - 1968///
CY  - New Delhi
PB  - BIS
ER  -