The variable desert /
Harris, Arthur J.
The variable desert / by Arthur J. Harris - [S.l. : s.n.], 1916 - 41-50 p. : ill. ; 25 cm - The scientific monthly .
The variable desert / by Arthur J. Harris - [S.l. : s.n.], 1916 - 41-50 p. : ill. ; 25 cm - The scientific monthly .