Moskowitz, C. (2012) 5 Reasons We May Live In A Multiverse, http://www.space.com/18811-multiple-universes-5-theories.html, accessed 27/3/17
Moskowitz, C. (2012) 5 Reasons We May Live In A Multiverse, http://www.space.com/18811-multiple-universes-5-theories.html, accessed 27/3/17