000 00323nam a2200121Ia 4500
008 160710s1923 xx 000 0 und d
082 _aDUC
100 _aDUCKHAM,ARHUR
245 _aTRANSACTIONS OF THE INSTITUTE OF CHEMICAL ENGINEERS
260 _bNSTITUTION OF CHEMICAL ENGINGEERS
_c1923
300 _a108
942 _2ddc
_cB
999 _c8979
_d8979