Wrona, Ryszard, Instytut Paleobiologii, Polska Akademia Nauk, ul. Twarda 51/55, Pl-00-818 Warszawa, Poland
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Vol 54, No 1 (2004) - Articles
Articulated palaeoscolecid sclerite arrays from the Lower Cambrian of eastern Siberia
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Vol 51, No 2 (2001) - Articles
Palaeoscolecid sclerites from the Upper Cambrian Mila Formation of the Shahmirzad section, Alborz Mountains, northern Iran
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