Refine Your Search
Book List
2
-
The desertisation of rangelands and cereal cultivated lands in PreSaharan Tunisia : a statement on some possible methods of control / by Georges Novikoff.
- 861.4
- Secretariat for international ecology, Sweden (SIES),
- 1974.
- Stockholm :
-
Year to year variations of some hydrological parameters in Kenya / by Henning Rodhe.
- 864.5
- Secretariat for international ecology, Sweden (SIES),
- 1974.
- Stockholm :