000 00287nam a2200109Ia 4500
008 160710s1947 xx 000 0 und d
100 _aMURPHY,WALTER J. ED.
245 _aCHEMICAL AND ENGINEERING NEWS
260 _bTHE AMERICAN CHEMICAL SOCIETY
_c1947
300 _a1921
942 _2ddc
_cB
999 _c23528
_d23528