Botanical features of the Algerian Sahara /
Cannon, William Austin
Botanical features of the Algerian Sahara / by William Austin Cannon - Washington : Carnegie Institution, 1913 - 81 p. : ill. ; 25 cm - Carnegie institution of Washington, publication ; n. 178 .
Botanical features of the Algerian Sahara / by William Austin Cannon - Washington : Carnegie Institution, 1913 - 81 p. : ill. ; 25 cm - Carnegie institution of Washington, publication ; n. 178 .