Try the Plasma Physics or Engineering and Technology databases page for a listing of related databases, or start searching directly in INSPEC, Engineering Index, Web of Science, or Scopus.
Web of Science (1945+), Scopus (1996+ includes conferences), SPIRES-HEP (top cited High-Energy Physics Articles).
Try the Princeton University Library Catalog.
eBooks can be found by searching in the Princeton University Library Catalog There is a guide with links to a select set of books relevant for Plasma Physics and Fusion Energy at http://libguides.princeton.edu/pppl-ebooks or try Ebrary, CRCnetBASE, Knovel Engineering and Scientific References, MyIlibrary - International Atomic Energy Agency collection or Safari Tech Books to search directly in one of our engineering and science eBook collections.
Try SciTech Connect from the DOE's Office of Scientific and Technical Information or the PPLCat (catalog of articles and technical reports in the PPL Library: 1986-2011). PPPL reports from 1950s to around 2005 can be searched in the Princeton Library main catalog. Digital PPPL reports from 1995+ search the PPPL Publications page.
Try the Electronic Journals page and Plasma Physics Journals page.
Try the ePrint Network and arXiv.org.
Encyclopedias and Reference?
Try Encyclopedia of Astronomy and Astrophysics, Encyclopedia of Applied Physics, Handbook of Physics and Chemistry, NRL Plasma Formulary (the mini-Bible of Plasma physicists), NDS Atomic and Molecular Data Unit, or search in an eBooks collection.
Try the Plasma Physics Conferences page.