00267nam a2200109Ia 4500008004100000100002300041245003700064260001800101260000900119546001200128999001700140170619s9999    xx            000 0 und d  aKalakota- Whinston 0aFrontiers of electronic commerce  bIndia Dorling  c2006  aENGLISH  c22224d22224