Ebbestad, J. O. R. (1999). Trilobites of the Tremadoc Bjørkåsholmen formation in the Oslo region, Norway. Scandinavian Univ. Press.
Chicago Style (17th ed.) CitationEbbestad, Jan Ove Røysi. Trilobites of the Tremadoc Bjørkåsholmen Formation in the Oslo Region, Norway. Oslo [u.a.]: Scandinavian Univ. Press, 1999.
MLA (9th ed.) CitationEbbestad, Jan Ove Røysi. Trilobites of the Tremadoc Bjørkåsholmen Formation in the Oslo Region, Norway. Scandinavian Univ. Press, 1999.
Warning: These citations may not always be 100% accurate.