2000 - Secure Electronic Commerce Building the Infrastructure for Digital Signatures and Encryption [2nd Edition] (Paperback) ISBN-13: 9780130272768 ISBN-10: 0130272760 Genres: Business & Money, Computers & Technology ? 1997 - Secure Electronic Commerce Building the Infrastructure for Digital Signatures and Encryption (Paperback) ISBN-13: 9780134763422 ISBN-10: 0134763424 Genres: Business & Money, Computers & Technology ? 1991 - Electronic Contracting Publishing and Edi Law [Business Practice Library] (Paperback) ISBN-13: 9780471531357 ISBN-10: 0471531359 Genres: Business & Money, Computers & Technology, Law ? |