000 00252nam a2200073 4500
080 _a
_b
245 _aIS: 1448 (P 8) - 1967; methods of test for petroleum and its products P 8 carbon redisue by ramsbottom method
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1967
300 _a11p
999 _c34084
_d34084