000 00282nam a22001217a 4500
999 _c4520
_d4520
020 _a9780854046850
082 _a547.34 SEP
100 _aSmart Lesley
245 _aThe molecular World : separation...
260 _aKeyans
_bopen unuversity
_c2002
650 _amolecular
942 _cBK