000 00365nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a547
_bDAR
100 _aDar, A
245 0 _aElectronic mechanisms of organic reactions
260 _aNew York :
_bAmerican Book Co,
_c1950.
300 _a314
365 _a0
650 _aChemical Engineering
999 _c132186
_d132186