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1Опубликовано 1969“...American Public Works Association...”
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2Опубликовано 1976“...American Public Works Association...”
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3Опубликовано 1966“...American Public Works Association. Committee on Solid Wastes...”
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4Опубликовано 1961“...American Public Works Association. Committee on Refuse Disposal...”
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5Опубликовано 1974“...American Public Works Association...”
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6Материалы конференции Опубликовано 1988“...American Public Works Association...”