Radiant energy in relation to forests,

By Reifsnyder, William E..
Washington, U.S. Dept. of Agriculture, Forest Service ; For sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1965 .
vi, 111 p. , "Literature cited": p. 95-103. 24 cm..

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On the relative intensity of the heat and light of the sun upon different latitudes of the earth.

By Meech, Levi W..
[Washington, Smithsonian Institution, 1856 .
58 p. , "The first part of the present investigation ... was published in Silliman's Journal of science for 1850." 33 cm..

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Radiant energy in relation to forests,

On the relative intensity of the heat and light of the sun upon different latitudes of the earth.