This document provides a list of 6 YouTube video references. The references consist of unique URLs linking to videos on YouTube. No other information is given about the content or topics of the referenced videos.

2. REFERENCIAS
• http://www.youtube.com/watch?v=gc18b-
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• http://www.youtube.com/watch?v=W8A8QnX
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• http://www.youtube.com/watch?v=ZGDW0D
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4. REFERENCIAS
• http://www.youtube.com/watch?v=t4wKYMa
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• http://www.youtube.com/watch?v=DIvNlN1N
TIU
• http://www.youtube.com/watch?v=yTl5bIyqvi
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