000 00261nam a2200097Ia 4500
008 160710s1950 xx 000 0 und d
100 _aCHEMICAL ABSTRACTS
245 _aCHEMICAL ABSTRACTS,JUNE, NO.12
260 _bAMERICAN CHEMICAL SOCIETY
_c1950
942 _2ddc
_cB
999 _c40035
_d40035