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Drought research needs : Proceedings of the Conference on drought research needs, held at Colorado state university, Fort Collins, Colorado, December 12-15, 1977 | Bok | 556.167.01 Ye Yevjevich, Vujica / - Colorado, USA : Water Resources Publications, 1978. - 276 s. - Språk: Engelsk | Yevjevich, Vujica | 1978 |