J. Naude “Development of a positive drive ICVT(Incremental Continuously Variable Transmission)",International seminar on research and development in automotive engineering, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa,12 to 13 September 2005.

J. Naude, "Development of a Rotor CVT", International Workshop on Scientific and Technological Manufacturing Research, University of Johannesburg, South Africa, 31 January 2005 to 5 February 2005

J. Naude, “Radical Innovative CVT Technology: A Transmission Replacement Example”, 2003 ASME International Mechanical Engineering Congress, Washington DC, USA, November 15-21, 2003.

J. Naude, “Radical Innovative CVT Technology”, The South African Mechanical Engineer, Vol 53, pp26-27, October, 2003.

J.Naude, “Revolutionary New Gearbox technology”, The South African Mechanical Engineer, Vol 53, pp23-24, May, 20033.