Increase of driving pulls of the tractor by trailer / Jozef Semetko, Ivan Janoško, Peter Pernis .
In: Actual tasks on agricultural engineering : proceedings of the 31. international symposium on agricultural engineering, Opatija Croatia, 24.-28. February 2003. -- Zagreb : Sveučilište u Zagrebu, 2003. -- ISBN 1333-2651. -- S. 59.-64
Kategória EPCA do 2021: AFC .