000 00267nam a2200073 4500
080 _a
_b
245 _aIS: 1448 (P 89) - 1979; methods of test for petroleum and its products P 89 test for thermal stability of lubricating greases
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1980
300 _a2p
999 _c34083
_d34083