@book{139257,
	author = {Widdowson, R.W. and Danelon, José L.,},
	title = {Hacia una agricultura holística: un enfoque científico /},
	publisher = {Hemisferio Sur,},
	year = {1993},
	address = {Buenos Aires, Argentina: },
	edition = {1a ed.},
	note = {Fomes}
}