000 00308nam a22001217a 4500
020 _aIS 12062
041 _aENG
245 _aMethod For Measurement Of Exhaust Smoke Emitted By Agricultural Tractors
260 _aNew Delhi
_bBIS
_c1987
300 _a12
650 _aBIS Tist Code
856 _uBIS Tist Code
999 _c2152
_d2152