Books

• A. Kral, H. Kreft:
  Wireless LANs Networker's Guide
  Bluetooth, HiperLAN, WLAN & Co.
  2002, ISBN: 3-8272-6329-8.

Articles

• H. Kreft:
  Cashing up with mobile Money - The FairCASH way
  In Euro mGov 2005 (ICMG2005), July 2005, Brighton, UK.    
• G. Pfeiffer, H. Kreft, M. Schimmler:
  Hardware Enhanced Biosequence Alignment
  International Conference on Mathematics and Engineering Techniques
  in Medicine and Biological Sciences (METMBS'05), June 2005, Las Vegas, USA.
• H. Kreft, W. Adi:
  "fairCASH - A Digital Cash Candidate for the Proposed GCC Gulf Dinar",
  The International Conference on Innovations in Information Technology,  November 19-21, 2006, Dubai