13. |
-
The Web of Science
- Scientific index. Database of citations.
URL: http://wos.isihost.com/CIW.cgi?&NewConnection=Yes&980468800
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14. |
-
The Melvyl Catalog
- Guide to databases, electronic journals and Internet resourses
URL: http://www.melvyl.ucop.edu/
|
15. |
-
Rex Cocroft on NPR
-
URL: http://www.npr.org/programs/re/archives/991108.vanduzea.html
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16. |
-
Frog vocalizations
-
URL: http://birds.cornell.edu/LNS/CommercialProductns/international/frogs_of_tambopata.html
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17. |
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How animals communicate using vibration
-
URL: http://www.newswise.com/articles/2000/12/VIBRATE.TUL.html
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