BASE (Bielefeld Academic Search Engine): Advanced Search. Browse by Subject. ERIC - Education Resources Information Center. OpenGrey. QuadSearch - MetaSearch Engine. Research, fine-tuned. Scientific Search Engine - www.OJOSE.com - Online JOurnal Search Engine - Where science meets the web :-)
Microsoft Academic Search. Refdoc. Refdoc est momentanément indisponible pour cause de maintenance.
Nous vous prions de nous en excuser et vous invitons à vous reconnecter ultérieurement surwww.refdoc.fr. Google Scholar. RefSeek - Academic Search Engine. Free reference manager and PDF organizer. Scirus - for scientific information.