This is a link to a paper by Bishop & Verleger (2013). It is a great summary of the 'rise' of the flipped learning concept. It gives a survey of the research and explains a theoretical framework for a flipped classroom. Check out all the references at the end, especially the blog posts, websites and web-resources.
http://www.studiesuccesho.nl/wp-content/uploads/2014/04/flipped-classroom-artikel.pdf
http://www.studiesuccesho.nl/wp-content/uploads/2014/04/flipped-classroom-artikel.pdf