<https://sonar.ch/global/documents/301644#id>	<http://purl.org/dc/terms/bibliographicCitation>	"Isakov Du\u0161an. Is beta still alive? : Conclusive evidence from the Swiss stock market. 1997." .
<https://sonar.ch/global/documents/301644#id>	<http://purl.org/dc/elements/1.1/date>	"1997" .
<https://sonar.ch/global/documents/301644#id>	<http://purl.org/ontology/bibo/doi>	"10.1080/135184799337046" .
<https://sonar.ch/global/documents/301644#id>	<http://id.loc.gov/vocabulary/relators/aut>	<http://www.idref.fr/234570652/id> .