主题：【已应助】求外文文献5篇，谢谢

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【序号】：1
【作者】：E. Liñána1, A. Perejóna2 and K. Sdzuya3
【题名】：The Lower—Middle Cambrian stages and stratotypes from the Iberian Peninsula: a revision
【期刊】：Geological Magzine
【年、卷、期、起止页码】：1993, 130,6, 817-833
【全文链接】：http://journals.cambridge.org/action/displayAbstract;jsessionid=12E360C6A051AE73B3A76B2C51C6B2CB.journals?fromPage=online&aid=4466968

【序号】：2
【作者】：M D Brasier, S S Sukhov
【题名】：The falling amplitude of carbon isotopic oscillations through the Lower to Middle Cambrian: northern Siberia data
【期刊】：Canadian Journal of Earth Sciences
【年、卷、期、起止页码】：1998,35,4,353-373
【全文链接】：http://www.nrcresearchpress.com/doi/abs/10.1139/e97-122

【序号】：3
【作者】：Frederick A. Sundberg1 and Linda B. McCollum2
【题名】：PTYCHOPARIID TRILOBITES OF THE LOWER-MIDDLE CAMBRIAN BOUNDARY INTERVAL, PIOCHE SHALE, SOUTHEASTERN NEVADA
【期刊】：Journal of Paleontology
【年、卷、期、起止页码】：July 2000 v. 74 no. 4 p. 604-630
【全文链接】：http://jpaleontol.geoscienceworld.org/content/74/4/604.short

【序号】：4
【作者】：ED LANDING1, GERD GEYER2, WOLFRAM HELDMAIER2
【题名】：Distinguishing eustatic and epeirogenic controls on Lower–Middle Cambrian boundary successions in West Gondwana (Morocco and Iberia)
【期刊】：Sedimentology
【年、卷、期、起止页码】：Volume 53, Issue 4, pages 899–918, August 2006
【全文链接】：http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3091.2006.00780.x/abstract;jsessionid=D15B3E5A0DA6DF06823ED55F2CA8F023.d03t03?deniedAccessCustomisedMessage=&userIsAuthenticated=false

【序号】：5
【作者】：Brian R. Pratt*1
【题名】：Storms versus tsunamis: Dynamic interplay of sedimentary, diagenetic, and tectonic processes in the Cambrian of Montana
【期刊】：Geology
【年、卷、期、起止页码】：2002, 30, 5, 423-426
【全文链接】：http://geology.geoscienceworld.org/content/30/5/423.short