And economic and geographic study of some transport pollutans in the towns along the Yantra river


Дерменджиев, Атанас (1991) And economic and geographic study of some transport pollutans in the towns along the Yantra river Ecology conference with international participation "Stable development and ecology – XXI century". Sofia, 22-24 october 1991. Chairman S. Nedialkov. Sofia: Association of Bulgarian Ecologists, 1991, р. 80-81.


 
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Природни науки, математика и информатика Науки за земята

Natural sciences, mathematics and informatics Earth Sciences

 
  10879
 Атанас Дерменджиев

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