000 00281nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a547
_bANN.67
245 0 _aAnnual reports on the progress of chemistry. V 67, 1970. Sec B
260 _aLondon
_bChemical Society
_c1971
942 _cBK
999 _c44916
_d44916