Expect any rule to change without notice. When in doubt about including resources on Internet, add them to your list. Do not spend more than 30 minutes seeking potential resources unless you have exhausted other viable sources. Develop a research strategy .
Some sure bets exist.
Beware of sure bets. Except for articles reprinted with permission, these Web pages are the combined work of Donald A. Arndt, Elliot C. Chabot, Mary E. Cornaby, Kenneth S. Kozlowski, Sheri H. Lewis, and Genie Tyburski. No redistribution allowed. For permission to reprint any part of this work, contact the individual author .