TY  - BOOK
AU  - Indian Standards Institution
TI  - Recommendation on Units and Symbols for Refrigeration (IS : 4831 - 1968)
U1  - IS : 4831 - 1968 
PY  - 1969///
CY  - New Delhi
PB  - Indian Standards Institution
KW  - Indian Standard - IT
N1  - IS : 4831 - 1968
ER  -