@book{246909,
	author = {Bregman, Rob},
	title = {The genus Matucana : biology and systematics of fascinating peruvian cacti},
	publisher = {A. a. Balkema},
	year = {1996},
	address = {Rotterdam},
	note = {Donación Dres. Beat  E. Leuenberger y Silvia Arroyo}
}