@book{40058,
	author = {Grimaldo Rengifo ; Rider Panduro ; Eduardo Grillo},
	title = {Chacras y Chacreros. Ecología demografía y sistemas de cultivos en San Martín},
	publisher = {CEDISA},
	year = {1993},
	address = {San Martín},
	edition = {1a ed.}
}