Sivhed, U. (1980). Lower Jurassic ostracodes and stratigraphy of western Skåne, southern Sweden. Sveriges geologiska undersökning.
Lua i Stíl Chicago (17ú heag.)Sivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Uppsala: Sveriges geologiska undersökning, 1980.
Lua MLA (8ú heag.)Sivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Sveriges geologiska undersökning, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.