Harold Boeck Ygal Bendavid Louis A. Lefebvre Élisabeth Lefebvre The influence of the buyer-seller relationship on e-commerce pressures: the case of the primary metal industry. 420-426 2006 conf/ACMicec/2006 ICEC http://doi.acm.org/10.1145/1151454.1151521 db/conf/ACMicec/icec2006.html#BoeckBLL06