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Soviet geography / publ. by American Geographical Society
9
Irrigation development in the USSR during the 10th Five-Yea..:
, In:Exemplar:
Zentrale:Magazin Zs fb 3111
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Soviet geography / publ. by American Geographical Society
11
Nawapa and two Siberian water-diversion proposals
, In:a geographical comparison and appraisal
Exemplar:
Zentrale:Magazin Zs fb 3111
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Soviet geography / publ. by American Geographical Society
14
Dimensions of the Caspian Sea problem:
, In:Exemplar:
Zentrale:Magazin Zs fb 3111