00285nam a2200109 a 450000500170000002000150001708200240003210000180005624500510007426000240012530000260014920251203110845.0  a0471192236  a658.8402854678bGHO  aGhosh, Anup K  aE-commerce securitybweak links, best defenses  aCanadabWileyc1998  axvc288p.c24 cm.bPB