Vegetation of the Soviet polar deserts
1988
Aleksandrova, V. D. |
Arid lands
Desertification of arid lands
1985
Dregne, H. E. (Harold E.) |
Arid and semiarid lands : sustainable use and management in developing countries
1984
Child, R. Dennis |
Heady, Harold F. |
Hickey, Wayne C. |
Peterson, Roald A. |
Pieper, Rex D. |