81![](https://www.pdfsearch.io/img/3fb111dac733e580b7264e77dc69bc2e.jpg) | Add to Reading ListSource URL: pubs.aina.ucalgary.caLanguage: English - Date: 2005-04-06 12:06:19
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82![](https://www.pdfsearch.io/img/2d064648082c96ccfc7535f8a22535d4.jpg) | Add to Reading ListSource URL: www.asu.eduLanguage: English - Date: 2005-11-22 15:01:50
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83![](https://www.pdfsearch.io/img/1c2682bb18fad8e66f36bdc0bfac6802.jpg) | Add to Reading ListSource URL: pubs.aina.ucalgary.caLanguage: English - Date: 2007-01-05 16:30:05
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84![](https://www.pdfsearch.io/img/fc2cc027085e11936b86e54e2463dcf8.jpg) | Add to Reading ListSource URL: www.taiga.netLanguage: English - Date: 2012-01-19 21:41:03
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85![](https://www.pdfsearch.io/img/a5164a27839025cdc8600df8eb4ec873.jpg) | Add to Reading ListSource URL: www.taiga.netLanguage: English - Date: 2012-01-19 21:41:08
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86![](https://www.pdfsearch.io/img/d4787c8a5614d7753af186bada350710.jpg) | Add to Reading ListSource URL: www.polarbearalley.comLanguage: English - Date: 2007-02-15 10:02:20
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