Data Bases
EBSCO
http://search.ebscohost.com/
INIS - International Nuclear Information System (IAEA-International Atomic Energy Agency)
Other:
http://www.eifl.net
http://www.iop.org
http://doaj.org
http://arxiv.org
http://eevl.ac.uk
http://highwire.stanford.edu/lists/largest.dtl [HighWire Press Stanford University]
