New tools for land preparation in animal traction.
Le Thiec Gérard, Havard Michel.
1995.
In : Proceedings of international agricultural mechanization conference. Bingyuan F. (ed.), Guozhu H. (ed.), Yuanen G. (ed.); Chinese Society for Agricultural Machinery; Chinese Academy of Agricultural Mechanization Sciences
. Beijing : Chinese Society for Agricultural Machinery, pp. 164-173.
International Agricultural Mechanization Conference, Beijing, Chine, 10 April 1995/13 April 1995.