A while back there was this thread on the list - http://mm.ilug-bom.org.in/pipermail/linuxers/Week-of-Mon-20131230/074216.html
Thanks Sankarshan, did go through Indivar’s thesis. He does briefly writes about the dichotomy between Free and Open and that seems to be the center point of most such discussions, but there is not much stuff beyond that.