@book{42493,
	author = {Burley, J. and Consejo Internacional para Investigación en Agrosilvicultura.},
	title = {Global needs and problems of the collection, storage and distribution of multipurpose tree germplasm},
	publisher = {ICRAF,},
	year = {1985},
	series = {Science and practice of agroforestry},
	address = {Nairobi :}
}