000 00243nam a2200073 4500
080 _a
_b
245 _aIS: 1448 (p 120) - 1986; Methods of test for petroleum and its products P 120 Zinc in lubricating oil
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1986
300 _a3p
999 _c34061
_d34061