000 00282nam a2200109Ia 4500
008 160710s1961 xx 000 0 und d
082 _aBER
100 _aCHEMICAL ABSTRACTS
245 _aCHEMICAL ABSTRACTS,MAY NO.9
260 _bTHE AMERICAN CHEMICAL SOCIETY
_c1961
942 _2ddc
_cB
999 _c40068
_d40068