References
http://www.dino-web.com/birds.html
http://www.pbs.org/lifeofbirds/evolution/
http://www.abc.net.au/science/slab/dinobird/story.htm
http://www.nationalgeographic.com/events/98/dinosaurs/index.html
http://www.truthinscience.org.uk/tis2/index.php/component/content/article/231.html
http://www.nhm.org/site/research-collections/dinosaur-institute/dinosaurs/birds-late-evolution-dinosaurs
http://www.nbcnews.com/id/28985201/ns/technology_and_science-science/t/nine-links-transition-dinosaurs-birds/#.UVr5X5M3uSo
http://news.nationalgeographic.com/news/2009/01/090116-feathered-dinosaur_2.html
http://www.ucmp.berkeley.edu/diapsids/avians.html
http://www.youtube.com/playlist?list=PL7848E22F140FE7DF
http://www.ncbi.nlm.nih.gov/pubmed/19558740
http://www.pbs.org/lifeofbirds/evolution/
http://www.abc.net.au/science/slab/dinobird/story.htm
http://www.nationalgeographic.com/events/98/dinosaurs/index.html
http://www.truthinscience.org.uk/tis2/index.php/component/content/article/231.html
http://www.nhm.org/site/research-collections/dinosaur-institute/dinosaurs/birds-late-evolution-dinosaurs
http://www.nbcnews.com/id/28985201/ns/technology_and_science-science/t/nine-links-transition-dinosaurs-birds/#.UVr5X5M3uSo
http://news.nationalgeographic.com/news/2009/01/090116-feathered-dinosaur_2.html
http://www.ucmp.berkeley.edu/diapsids/avians.html
http://www.youtube.com/playlist?list=PL7848E22F140FE7DF
http://www.ncbi.nlm.nih.gov/pubmed/19558740