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0200012832 20030113113411.0 021217s abca fr |00||||eng 0-919216-75-7(pbk.) : CNY348.59 NGL n-cn-nu a557 ; a544.3 Lenz, Alfred C. 加拿大北极圈温洛克阶上部(志留纪)的笔石:灭绝前,lundgreni生物带的动物区系. chi Upper Wenlock(Silurian) graptolites of Arctic Canada : pre-extinction, lundgreni Biozone fauna / Alfred C. Lenz and Anna Kozlowska-Dawidziuk. Calgary, Alberta : Canadian Society of Petroleum Geologists, 2001. 61 p., 19 p. of plates : ill. ; 28 cm. Palaeontographica Canadiana, 0821-7556 ; No.20 Abstracts in English and French. Graptolites ; Paleontology ; Animals, Fossil Nunavut ; Cornwallis Island. ; Nunavut ; Cornwallis Island. ; Nunavut ; Cornwallis Island. Silurian aKozlowska-Dawidziuk, Anna. aCN bNGL NGL EB00063202 rCNY348.59 ; v20 P 540.6 P17ca ayl b1 eyll0302