http://www.hyria.fi/files/3864/MOVEMENT_OF_ANIMALS_1_.pdf [2]
http://www.saburchill.com/chapters/chap0005.html [3]
http://amovee2014.com/program/ [4]
Links[1] https://hootsgo.org/?q=node/6349 [2] http://www.hyria.fi/files/3864/MOVEMENT_OF_ANIMALS_1_.pdf [3] http://www.saburchill.com/chapters/chap0005.html [4] http://amovee2014.com/program/