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1Argitaratua 1983“...QC 851 .S471...”
Conference Proceeding Liburua -
2Argitaratua 1990“...QC 851 .C861...”
Conference Proceeding Liburua -
3Argitaratua 1997“...QC 851 .G777...”
Conference Proceeding Liburua -
4Argitaratua 1988“...QC 851 .C748...”
Conference Proceeding Liburua -
5Argitaratua 2001“...QC 851 .A8813 2001...”
Conference Proceeding Liburua -
6Argitaratua 1957“...QC 851 .P762...”
Conference Proceeding Liburua