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Tips on searching with Excite:

• Use AND to Require Words: "AND seismograph AND refraction"
• Use NOT to Exclude Words: "NOT Bison AND seismograph"
• Use OR to specify alternatives: "AND seismograph AND (DMT OR Abem)"
• Parenthesis should be used in complicated search strings as shown above.
• The AND OR and NOT must be in upper case
• The quote marks shown above should not be entered
• Unless AND or NOT are used, pages that match any of the words are listed
• Excite tries to find matches that are similar to your query. Remember Excite is no geophysicist so "similar" is questionable in some cases!