000 00245nam a2200073 4500
080 _a
_b
245 _aIS: 1448 (P 12) - 1967; methods of test for petroleum and its products P 12 colour by ASTM colour scale
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1967
300 _a6p
999 _c34085
_d34085