http://citeseer.ist.psu.edu/ - Computer and Information Science Papers CiteSeer Publications Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval ...
Students of the University of Amsterdam have access to electronic versions of many journals via elsevier and kliwer . You have enter these sites from a UvA address.
Some university teachers have used their experience to write guides for PhD projects. The information in these guides is also useful for smaller projects. Some such documents are: