@book{8747736,
	author = {Конке, Г. and Бертран, А. and Соболев, С.С.},
	title = {Охрана почвы},
	publisher = {Сельхозиздат},
	year = {1962},
	address = {Москва},
	note = {Доп. тит. л.: Helmut Kohnke, Anson Bertrand. Soil conservation. New York a. o., McGraw-Hill, 1959}
}