@inbook {2463,
	title = {Infrspecific classification-the problems},
	booktitle = {Infraspecific classification of wild and cultivated plants},
	year = {1986},
	pages = {1-7},
	publisher = {Clarendon Press},
	organization = {Clarendon Press},
	address = {Oxford},
	keywords = {CLASSIFICATION, CULTIVATED PLANTS, INFRASPECIFIC CLASSIFICATION},
	author = {Hawkes, J. G.},
	editor = {Styles, B. T.}
}
