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1Argitaratua 1990Gaiak “...Transportation and state Congresses....”
Liburua -
2Argitaratua 1991Gaiak “...Transportation and state Congresses....”
Liburua -
3Argitaratua 1989Gaiak “...Transportation and state Congresses....”
Liburua -
4Argitaratua 1988Gaiak “...Transportation and state Congresses....”
Liburua -
5
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6Argitaratua 1982GaiakLiburua
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7Argitaratua 1984Gaiak “...Transportation Safety measures Congresses....”
Conference Proceeding Liburua -
8Argitaratua 1992Gaiak “...Transportation Papua New Guinea Congresses....”
Conference Proceeding Liburua -
9Argitaratua 1998Gaiak “...Transportation Europe Congresses....”
Liburua -
10Argitaratua 1993Gaiak “...Transportation and state New Zealand Congresses....”
Liburua -
11