000 00260nam a2200097Ia 4500
008 160710s1953 xx 000 0 und d
100 _aCHEMICAL ABSTRACTS
245 _aCHEMICAL ABSTRACTS, NOV NO.21
260 _bAMERICAN CHEMICAL SOICETY
_c1953
942 _2ddc
_cB
999 _c40039
_d40039