The Structure of the PIMs of SL(3, 4) in Characteristic 2. - Wolfgang Lempken; Reiner Staszewski (ISSAC, 1992)

On Minimal Logarithmic Signatures of Finite Groups. - Wolfgang Lempken; Tran van Trung (Exp. Math., 2005)

A Public Key Cryptosystem Based on Non-abelian Finite Groups. - Wolfgang Lempken; Tran van Trung; Spyros S. Magliveras; Wandi Wei (J. Cryptol., 2009)

Permutation codes invariant under isometries. - Ingo Janiszczak; Wolfgang Lempken; Patric R. J. Östergård; Reiner Staszewski (Des. Codes Cryptogr., 2015)