00345nam a2200121Ia 4500008004100000041001200041082002300053100003800076245003700114260002500151300001200176650003500188231217s9999    xx            000 0 und d  aEnglish  a001.64404  KAL `R'  aKalakota, Ravi Whinston, Andrew B 0aFrontiers of electronic commerce  c1996bAddison-Wesley  axiv+350  aElectronic commerce E commerce