000 00298nam a2200109Ia 4500
008 221007s9999 xx 000 0 und d
100 _aSinha, N.K
245 0 _aProduction Refining and Petrochemicals
260 _aUmesh Pub, New Delhi
_bUmesh Pub, New Delhi
_c2003
300 _axvi,414
942 _cBK
999 _c671
_d671