ACADEMIC SEARCH/WEB RESEARCH TOOLS/REFERENCE MANAGERS
http://academic.research.microsoft.com – Multidisciplinary
http://www.scirus.com
www.scholar.google.com
http://dbis.uni-trier.de/DBL-Browser/ – Digital Bibliography Library Browser
http://academic.live.com – Live Search Academic
http://www.science.gov/ – USA government for Science
http://citeseerx.ist.psu.edu/index – Computing & Information Sciences
http://www.mendeley.com/ – academic social network/collaboration
http://www.worldcat.org/ – Multidisciplinary
http://libserver.cedefop.europa.eu – Voc & Tech Education
http://inspirehep.net/ – Stanford physics information retrieval system
hsystemv  www.ssrn.com/ – Social Science Research Network. M.Ravichandran.VKR PHARMA KRISHNAGIRI