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1Aldizkako argitalpenaArgitaratua 1973“...United Nations. Economic Commission for Europe...”
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2Aldizkako argitalpena
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3Aldizkako argitalpena
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4Aldizkako argitalpenaArgitaratua 1974“...United Nations. Economic Commission for Europe...”
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5Aldizkako argitalpenaArgitaratua 1977“...United Nations. Economic Commission for Europe...”
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6LiburuaArgitaratua 1987“...United Nations. Economic Commission for Europe...”
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7Aldizkako argitalpenaArgitaratua 1956“...United Nations. Economic Commission for Europe...”
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8Aldizkako argitalpenaArgitaratua 1966“...United Nations. Economic Commission for Europe...”
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9Aldizkako argitalpenaArgitaratua 1955“...United Nations. Economic Commission for Europe...”
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10Aldizkako argitalpena
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11Aldizkako argitalpenaArgitaratua 1992“...United Nations. Economic Commission for Europe...”
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12Aldizkako argitalpena
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13Aldizkako argitalpenaArgitaratua 1970“...United Nations. Economic Commission for Europe...”
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14Aldizkako argitalpenaArgitaratua 1966“...United Nations. Economic Commission for Europe...”
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15Aldizkako argitalpena
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16Aldizkako argitalpenaArgitaratua 1989“...United Nations. Economic Commission for Europe...”
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17Aldizkako argitalpenaArgitaratua 1969“...United Nations. Economic Commission for Europe...”
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18AldizkariaArgitaratua 1995“...United Nations. Economic Commission for Europe...”
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19LiburuaArgitaratua 1968“...United Nations. Economic Commission for Europe...”
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20LiburuaArgitaratua 1983“...United Nations. Economic Commission for Europe...”