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1Argitaratua 1998GaiakLiburua
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2Argitaratua 1977Gaiak “...Soil ecology Congresses....”
Conference Proceeding Liburua -
3Argitaratua 1997GaiakConference Proceeding Liburua
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4Argitaratua 2001GaiakConference Proceeding Liburua
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5
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6The Soil ecosystem: systematic aspects of the environment, organisms and communities : a symposium /Argitaratua 1969Gaiak “...Soil ecology Congresses....”
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7Argitaratua 1995GaiakLiburua
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8
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9
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10Argitaratua 1998Gaiak “...Crops and soils Congresses....”
Liburua -
11
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12Argitaratua 1955Gaiak “...Soil ecology Congresses....”
Conference Proceeding Liburua -
13Argitaratua 1965Conference Proceeding Liburua
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14
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15
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16Argitaratua 2000Gaiak “...Soil ecology Cold regions Congresses....”
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17Argitaratua 1986Gaiak “...Soil microbiology Congresses....”
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18
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19Argitaratua 1994Gaiak “...Soil erosion Congresses....”
Liburua -
20