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Siebel Si 204 Siebenrockiella crassicollis Siebel Fh 104 Siebenrockiella leytensis Siebeldingen Siebera Siebera pungens Siebenhengste-Hohgant-Höhle Siebenbürgen SiebenbachTài liệu tham khảo
WikiPedia: Siebenhengste-Hohgant-Höhle http://www.sghbern.ch/hrh.html http://www.showcaves.com/english/ch/showcaves/Beat... https://web.archive.org/web/20071030160034/http://...