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1
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2Argitaratua 1963“...QC 801 .G827...”
Conference Proceeding Liburua -
3
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4Argitaratua 1967“...QC 971.7 .A6 .B429 1967...”
Conference Proceeding Liburua -
5Argitaratua 1960“...QC 801.3 .R2212 1960...”
Liburua -
6Argitaratua 1963“...QC 971.7 .A6 .E96...”
Conference Proceeding Liburua