新手求助,请大家多多帮忙呀!十分感谢! [题名]Trace fossils and correlation of late Precambrian and early Cambrian strata [作者]T. Peter Crimes [来源]Geological magzine [卷期页码]:v. 124; no. 2; p. 97-119 [年]1987
灰米奇2009/11/03
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[img]http://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=180276]Trace fossils and correlation of late Precambrian and early Cambrian strata.pdf[/url]
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