000 00327nam a2200121Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a660.6
_bAYY
100 _aAyyangar, N R.
245 0 _aCourse in industrial chemistry part1
260 _aNew Delhi :
_bOrient Longman ,,
_c1977.
650 _aChemical Sciences
999 _c8770
_d8770