@inbook {,
	title = {El "control vertical" de un m{\'a}ximo de pisos ecol{\'o}gicos en la economia de las sociedades Andinas.},
	booktitle = {Visita de la provincia de L{\'e}on de Hu{\'a}nuco en 1562, I},
	year = {1972},
	note = {first discussion of Verticality that is frequently cited in the 1970s.},
	publisher = {Universidad Nacional Hermilio Valdiz{\'a}n},
	organization = {Universidad Nacional Hermilio Valdiz{\'a}n},
	address = {Hu{\'a}nuco, Peru},
	keywords = {andes verticality processualism},
	author = {Murra, John V.},
	editor = {Ortiz de Z{\'u}{\~n}iga, I{\~n}igo}
}