Sivhed, U. (1980). Lower Jurassic ostracodes and stratigraphy of western Skåne, southern Sweden. Sveriges geologiska undersökning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Uppsala: Sveriges geologiska undersökning, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSivhed, Ulf. Lower Jurassic Ostracodes and Stratigraphy of Western Skåne, Southern Sweden. Sveriges geologiska undersökning, 1980.
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