000 00262nam a2200109Ia 4500
008 160710s1957 xx 000 0 und d
100 _aBROWN,G.G.AND OTHERS
245 _aUNIT OPERATIONS
260 _bJOHN WILEY AND SONS
_c1957
300 _a611
942 _2ddc
_cB
999 _c15394
_d15394