@book{96713,
	author = {Vavilov, N.I.},
	title = {The origin, variation, immunity and breeding of cultivated plants; selected writings.},
	publisher = {Chronica Botanica},
	year = {1950},
	series = {Chronica Botanica; an international collection of studies in the method and history of biology and agriculture; v.13, no.1/6},
	address = {Mass}
}