Funk, W. Möglichkeiten und Grenzen moderner Riemengetriebe. VDI-Bericht 1467, Tagung Umschlingungsgetriebe - Systemelemente der modernen Antriebstechnik, Fulda, ISBN 3 18 091467-X, 1999, S. 1-24.
Funk, W.; Gassmann, V. Unsymmetric Tchebycheff-Type Straight-Line Mechanisms. IFToMM Tenth World Congress on the Theory of Machines and Mechanisms. Proceedings Vol. 1. University of Oulu, Finland. ISBN 951-42-5288-8, 1999, S. 222-227.
Tolle, P.; Knoop, J. Possible Applications Of Algebraic Computer Systems For The Analysis And Synthesis Of Motions. IFToMM Tenth World Congress on the Theory of Machines and Mechanisms. Proceedings Vol. 1. University of Oulu, Finland. ISBN 951-42-5288-8, 1999, S 210-215.
Dusch, T.; Knoop, J.; Funk, W. Acquisition Of Knowledge By Means Of Networks. IFToMM Tenth World Congress on the Theory of Machines and Mechanisms. Proceedings Vol. 1. University of Oulu, Finland. ISBN 951-42-5288-8, 1999, S. 147-152.
Kong, J.; Funk, W. State-Of-The-Art And Developing Tendency Of Studies On The Theory Of Controlled Mechanism. IFToMM Tenth World Congress on the Theory of Machines and Mechanisms. Proceedings Vol. 1. University of Oulu, Finland. ISBN 951-42-5288-8, 1999, S. 340-345.
Funk, W.; Gassner, O. Schwingungsreduzierung durch Dämpfungsscheiben an Zahnrädern. VDI-Bericht 1491, Tagung Maschinenakustik `99, Wiesloch, ISBN 3-18-091491-2, 1999, S. 247-260.
Knoop, J; Dusch, T. Acquisition of Knowledge by Means of Networks. Mechanics in Design, Nottingham Trent University, ISBN 0 905488 92 X, 1998, S. 717-726.