On the distance distribution of homogeneous codes. - Wolfgang Knapp (Discret. Math., 1979)

Indirect Measurement of Volumetric Accuracy for Three-Axis and Five-Axis Machine Tools: A Review. - Soichi Ibaraki; Wolfgang Knapp (Int. J. Autom. Technol., 2012)

Thermally Caused Location Errors of Rotary Axes of 5-Axis Machine Tools. - Michael Gebhardt; Alexander Schneeberger; Sascha Weikert; Wolfgang Knapp; Konrad Wegener (Int. J. Autom. Technol., 2014)

On the Codes Related to the Higman-Sims Graph. - Wolfgang Knapp; Hans-Jörg Schaeffer (Electron. J. Comb., 2015)