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| Utgitt
| Boulder, Colo. : Westview Press , 1978
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| Omfang
| xx,177 s. : ill., tab., diagr.
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| Opplysninger
| "...papers presented at a symposium entitled American Droughts, which took place in Denver on ... February 21, 1977 as one of the first sessions of the 1977 annual meeting of the American Association for the Advancement of Science.". - Har bibliografi.
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| Emner
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| ISBN
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