000 00371nam a2200121Ia 4500
001 MPKV051684
008 120911s9999 xx 000 0 und d
082 _a660
245 _aJournal of Scientific and Indsutrial Research Vol 31
_c;
246 _aJournal of Scientific and Indsutrial Research Vol 31
260 _aNew Delhi
_bC S I R
_c1972
650 _aChemical Engineering
999 _c49687
_d49687