प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
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1प्रकाशित 1983Leningrad : "Nauka," Leniongradskoe otd-nie, 1983.240 p. : ill., maps ; 22 cm.विषय: “...Human beings Influence on nature Latvia....”
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2प्रकाशित 1988Leningrad : "Nauka," Leningradskoe otd-nie, 1988.311 p., [1] leaf of plates : ill. ; 22 cm.विषय: “...Human beings Influence on nature Latvia Latgale....”
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3प्रकाशित 1980Leningrad : "Nauka," Leningradskoe otd-nie, 1980.173 p. : ill., maps ; 22 cm.विषय: “...Human beings Influence on nature Soviet Union....”
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4प्रकाशित 1982Leningrad : "Nauka," Leningradskoe otdelenie, 1982.304 p. : ill. ; 22 cm.विषय: “...Human beings Influence on nature Russia (Federation)...”