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181
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182Published 1991Conference Proceeding Book
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183
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184
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185
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186Proceedings of the Conference on New Approaches to Urban Transportation, held in Washington in 1967.Published 1968Conference Proceeding Book
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187Published 1975Conference Proceeding Book
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188
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189
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190
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191Published 1988Conference Proceeding Book
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192
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193
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194
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195
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196Published 1989Conference Proceeding Book
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197Published 1989Conference Proceeding Book
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198Published 1990Conference Proceeding Book
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199
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200