An Economic and Geographic Study of Some Transport Pollutants in the Towns along the Yantra River. Stable development and ecology – XXI Century. Sofia, 1991, p. 80.


Дерменджиева, Стела (1991) An Economic and Geographic Study of Some Transport Pollutants in the Towns along the Yantra River. Stable development and ecology – XXI Century. Sofia, 1991, p. 80. 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

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