Remember to always evaluate a website before using it for research purposes.
Some criteria for evaluating websites include:
You can always ask a librarian or your professor for an opinion about a specific website as well.
(Ruth Szpunar at DePauw University)
What is grey literature? The Fourth International Conference on Grey Literature (1999) defined grey literature thusly: "That which is produced on all levels of government, academics, business and industry in print and electronic formats, but which is not controlled by commercial publishers."