Sechzig Plus Fünf Schritte in der schönen Eifel bis zum glücklichen Ruhestand Meier Willi Heftet / 2014 / Tysk
Progress in Cryptology -- INDOCRYPT 2014 15th International Conference on Cryptology in India, New Delhi, India, December 14-17, 2014, Proceedings Meier Willi Heftet / 2014 / Engelsk
Fast Software Encryption 11th International Workshop, FSE 2004, Delhi, India, February 5-7, 2004, Revised Papers Roy Bimal Kumar Heftet / 2004 / Engelsk
