TechXtra - wwww.techXtra.ac.uk. CiteSeerX. WorldCat: Science, health and medical journals, full text articles and books. WorldWideScience. WorldWideScience. BASE (Bielefeld Academic Search Engine): Basic Search. OpenAIRE - OpenAIRE. Directory of Open Access Journals. About ScienceResearch.com. ScienceResearch.com is a free, publicly available deep web search engine that uses advanced "federated search technology" to return high quality results by submitting your search query - in real-time - to other well respected search engines then collating, ranking and dropping duplicates of the results.
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