@book{7999,
	author = {Tyler, B. F. and International Board for Plant Genetic Resources.},
	title = {Collection, characterization and utilization of genetic resources of temperate forage grass and clover},
	publisher = {International Board for Plant Genetic Resources,},
	year = {1987},
	series = {IBPGR Training courses : Lecture series},
	address = {Rome :}
}