If you want to find a particular article in an electronic journal you may want to look at the TUG Electronic Journals page. Contact the Liaison Librarian for your dept. An Introduction to Searching Electronic Databases is one tutorial that might help with the thought processes of setting up a search. A Guide to searching CSA databases. A Guide to searching ERL databases .
Some indexes provide full text for selected journal articles.
Many indexes provide the abbreviated title of the journal, but not the full journal title which is needed to check Library holdings on Trellis. There are some online sources for expanding the abbreviated form to the full title. The libraries do not hold all the journals cited in the databases. Please read the Proxy Server instructions.