@book{178,
	author = {Borys, Michal Wlodzimierz. and Barrera Guerra, José Luis.},
	title = {Root system of seedlings of Persea americana Mill cv. mexican race and Persea schiedana Ness-cv. Chinini},
	note = {Sobretiro de: Revista di Agricoltura Sub-Tropicale e Tropicale 81(1-2):138-146, 1987}
}