Matches in Library of Congress for { ?s ?p Pollution Economic aspects Soviet Union.. }
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- 85188083 subject "Pollution Economic aspects Soviet Union.".
- 85220620%2F%2Fr96 subject "Pollution Economic aspects Soviet Union.".
- 88115576 subject "Pollution Economic aspects Soviet Union.".
- 88602539 subject "Pollution Economic aspects Soviet Union.".
- 89106977 subject "Pollution Economic aspects Soviet Union.".
- 90112104 subject "Pollution Economic aspects Soviet Union.".
- 92219600 subject "Pollution Economic aspects Soviet Union.".