Arid Zone. Newsletter about Unesco's Major Project on Scientific Research on Arid Lands. 1962, Nos.17-18 & 1963, Nos. 19 & 22.
Tidning, tidskrift.
Nära nyskick. Paris: United Nations Educational, Scientific and Cultural Organization, 1962-63. 4to. 20 + 20 + 20 + 20 pp. Contributions about irrigation, drainage, soil salinity, geomorphology, continental erosion, hydrology, agroclimatology, "Nomades et nomadisme au Sahara", arid zones in Iraq and Morocco, etc. [St.form.]