共 15 条
[1]
J-STAGE. http://www.jstage.jst.go.jp/browse/ . 2008
[2]
ASP[P]. 韩国专利:KR20120130370A,2012-12-03
[3]
ASP[P]. 韩国专利:KR20120130370A,2012-12-03
[4]
OpenDOAR. http://www.opendoar.org/ . 2008
[5]
Core Metalist of Open Access Eprint Archives. http://opcit. eprints. org/ explorearchives. shtml . 2005
[6]
The JISC Information Environment Service Registry. http://www.iesr.ac.uk .
[7]
SciELO. http://www.scielo.br/ . 2008
[8]
Open Science Directory. http://www.open-sciencedirectory.net/ . 2008
[9]
Socol@r. http://www.socolar.com/ . 2008
[10]
Google Received65Percent of U.S.Searches in November. http://www.hitwise.com/press-center/hitwise-HS2004/google-receives-percentage.php . 2008