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1Argitaratua 1985Gaiak “...Transportation Congresses....”
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2Argitaratua 1987Gaiak “...Transportation Planning....”
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4
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5Argitaratua 1999Gaiak “...Transportation Environmental aspects....”
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6Argitaratua 1998Gaiak “...Transportation Europe Congresses....”
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8Argitaratua 1995GaiakLiburua