@book{47432,
	author = {Van Egeraat, A. W. S. M.},
	title = {Pea-root exudates and their effect upon root-nodule bacteria},
	publisher = {Veenman & Zonen,},
	year = {1972},
	series = {Mededelingen Landbouwhogeschool},
	address = {Wageningen :}
}