Permanent IT-Support in Electronic Commerce Transactions. - Markus A. Lindemann; Alexander Runge (Electron. Mark., 1997)

Electronic contracting within the reference model for electronic markets. - Markus A. Lindemann; Alexander Runge (ECIS, 1998)

The Need for Supporting Electornic Commerce Transactions with Electronic Contracting Systems. - Alexander Runge (Electron. Mark., 1998)

The Management of Business Transactions through Electronic Contracts. - Alexander Runge; Bernd Schopp; Katarina Stanoevska-Slabeva (DEXA Workshop, 1999)