http://stringbeankeekers.blogspot.com/2007/11/flying-geese-tutorial.html
http://www.youtube.com/watch?v=y0YZESaQsUc
http://toowoombaquilters.org/?p=192
http://quiltingpassion.com/tutorials/geese/QuadrupleSquareMethod.html
http://lifesaquilt.blogspot.com/2006/09/my-favorite-flying-geese-technique_24.html
http://www.allthingsfrugal.com/geese.htm