000 00224nam a22000977a 4500
082 _a543
_bDEA/CHE
100 _aJOHN A. DEAN
245 _aCHEMISTRY SAPERATION METHODS
260 _bVAN NOSTRAND REINHOLD
_c1969
942 _2ddc
_cBK
999 _c1474
_d1474