000 00283nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a33:62
_bBAL
100 _aBALL, D F
245 0 _aSome aspects of technological economics
260 _aLondon
_bChemical Society
_c1974
942 _cBK
999 _c30850
_d30850