@book{5759841,
	author = {Кулен, А. and Куиперс, Х.},
	title = {Современная земледельческая механика},
	publisher = {Агропромиздат},
	year = {1986},
	address = {М.},
	note = {Пер. изд.: Agricultural soil mechanics / A.J. Koolen, H. Kuipers (Sporinger - Verlag, 1983)}
}