@book{19220,
	author = {Hassler, Emilio},
	title = {Contribuciones a la flora del Chaco argentino-paraguayo :},
	publisher = {[S.n.],},
	year = {[1908?]},
	address = {[San Bernardino, Paraguay?] :},
	note = {La Biblioteca posee 1º Pte.}
}