@book{218409,
	author = {Caldiz, Daniel o. and Haverkort, Anton J.},
	title = {Analysis of a complex crop production system in interdependent agro-ecological zones : a methodological approach for potatoes in Argentina / Daniel O. Caldiz ; Anton J. Haverkort ; Paul C. Struik},
	publisher = {Elsevier},
	year = {2002},
	address = {Madrid},
	note = {Material de Recursos Electrónicos}
}