000 00261nam a2200097Ia 4500
008 160710s1961 xx 000 0 und d
100 _aCHEMICAL ABSTRACTS
245 _aCHEMICAL ABSTRACTS ,JUNE NO.12
260 _bAMERICAN CHEMICAL SOICETY
_c1961
942 _2ddc
_cB
999 _c40071
_d40071