@book{43990,
	author = {Lazos Valencia, Rubén.},
	title = {Seedling quality of kohlrabi plants (Brassica oleracea var. Gongylodes L.) in relation to nutrient supply and CO2 enrichment},
	publisher = {The author,},
	year = {1993},
	address = {Bonn :},
	note = {Thesis (Magister der Agrarwissenschaften) -- Rheinischen Friedrich-Wilhelms-Universitat. Honen Landwirtschaftlichen Fakultat}
}