TY  - BOOK
AU  - Bureau of Indian Standards
TI  - IS: 1448 (P 103) - 1981; Methods of test for petroleum and its products Part 103 Barium, Callcium, Phosphorus and Zinc in lubricating oils by direct reading emission spectrographic method
PY  - 1981///
CY  - New Delhi
PB  - BIS
ER  -