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Comparison of Retrieval Performance of Eleven Online Indexes – Earth Sciences

0 downloads - 0 views Jan 14, 2010 Earth Sciences

5 Reference User Services Quarterly Feature Reference User Services Quarterly vol 47 no 1 pp xx xx 2007 American Library Association All rights reserved Permission granted to reproduce for nonprofit educational use Comparison of Retrieval...

...ten thousand years ago to the present Scientists currently disagree regarding the exact boundaries and dates for the beginning of the Quaternary and whether it should be retained as a formal chronostratigraphic unit a body of rock officially recognized as a unit based on the age of its... Abstracts Description www csa com factsheets water resources set c php Zoological Record Provider BIOSIS Coverage 1978 to present Updates Monthly Vendor used SilverPlatter Description www ovid com site catalog DataBase 200 jsp top 2...

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