Valga KEK-i neli aastakümmet : Tõrva Ehituskontori ja Valga KEK-i lugu
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URL: http://www.digar.ee/id/nlib-digar:651711
ViewAvailable at the authorised workplace in the National Library of Estonia, Archival Library of the Estonian Literary Museum, Tallinn University of Technology Library, University of Tartu Library and Academic Library of Tallinn University
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URL: http://www.digar.ee/id/nlib-digar:651711
![Taastuvate energiaallikate uurimine ja kasutamine : neljanda konverentsi kogumik : [7. november 2002, Tartu] = Investigation and usage of renewable energy sources : fourth conference proceedings : [7 November 2002, Tartu]](/arhiiv/assets/thumbdef/shelf_empty-0dd7b3d914ab0ca1d1ba007da1745a76.png)