@article {691,
	title = {The Effects of Mountains On the Quality of the Atmosphere},
	year = {1899},
	keywords = {astronomy, atmosphere, Douglass, mountains},
	author = {Douglass, A.E.}
}
@article {641,
	title = {Atmosphere, Telescope and Observer},
	year = {1897},
	keywords = {astronomy, atmosphere, Douglass, observation, observer, popular astronomy, telescope},
	author = {Douglass, A.E.}
}
@article {668,
	title = {The Study of Atmospheric Current by the Aid of Large Telescopes and the Effect of Such Currents on the Quality of the Seeing},
	journal = {The Meterological Journal},
	year = {1895},
	keywords = {astronomy, atmosphere, Douglass, telescopes},
	author = {Douglass, A.E.}
}
