@article {693,
	title = {The Illusions of Vision and the Canals of Mars},
	volume = {LXX},
	year = {1907},
	keywords = {astronomy, canals, Douglass, illusions of vision, mars},
	author = {Douglass, A.E.}
}
@article {805,
	title = {Indicacinoes sobre un period lluvioso en el Sur del Peru},
	year = {1892},
	keywords = {Douglass, historic, peru, rainy period, spanish, sur, wet period},
	author = {Douglass, A.E.}
}
@article {798,
	title = {Indications of a Rainy Period in Southern Peru},
	volume = {XX},
	year = {1892},
	keywords = {climate, Douglass, environment, historic, peru, sun spot},
	author = {Douglass, A.E.}
}
