Science and the future of arid lands
1960
White, Gilbert F. |
Arid lands
Drought and man : the 1972 case history
1981
Garcia, Rolando V. |
Afforestation of arid and semi-arid areas in Pakistan
1986
Sheikh, Mahmood Iqbal |
Oman Wahiba Sands project 1985/86 : rapid assessment document
1986
Dutton, Roderic |
Draft environmental profile on Tunisia
1980
Grant, A. P. |