@book{73119,
	author = {Barel, C. J. A.},
	title = {Studies on dispersal of Adoxophyes orona F.v.R. in relation to the population sterilization technique},
	publisher = {Veenman & Zonen,},
	year = {1973},
	series = {Mededelingen Landbouwhogeschool},
	address = {Wageningen :}
}