Ingenta Websites
PDF search engine for free scientific publications - FreeFullPDF
- freefullpdf.com
Download over 80 million free science papers, patents, theses and posters
Scientific Search Engine - www.OJOSE.com - Online JOurnal Search Engine - Where science meets the web :-)
- ojose.com
OJOSE, Scientific Search Engine, Wissenschaftliche Suchmachine, Moteur de recherche scientifique, where science meets the web