@book{78090,
	author = {Zinberg, Norman Earl and Boston Society for Gerontologic Psychiatry.},
	title = {Psicologia normal de la vejez},
	publisher = {Editorial Paidos},
	year = {1976.},
	address = {Buenos Aires},
	note = {Previous ed. published in English in 1963 under the authorship of the Boston Society for Gerontologic Psychiatry.}
}