Arid lands
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Research into the causes of aridity in various regions of the world and into means of rehabilitating these areas. Produced for UNESCO.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Educational film guide. Supplements (1959-62) — title, year, creator, length, format, color, sound, description, catalog record
Original permalink · Record added 2026-01-23 03:15:03