1. P. Palma G. Tiussi A. Donadon Y. Raffaglio A.D. Luca M. Leitner F. Grün D. Benasciutti Part oftheABM Week Rio de Janeiro RJ Brazil August 17- August 21 2015 pp 396–408.
2. ISO International Organization for Standardization Commerical vehicle and busses gearbox flanges Type A Switzerland 1986.
3. ISO International Organization for Standardization Commerical vehicle and busses gearbox flanges Type S Switzerland 1986.
4. ISO International Organization for Standardization Commerical vehicle and busses gearbox flanges Type T Switzerland 1986.