Howard Georgi, "UnparticlePhysics", 23 March 2007 (accessed 29 January 2007). Howard Georgi, "Another Odd Thing About UnparticlePhysics", 19 April 2008
Monographs in Physics. Springer. doi:10.1007/978-3-662-03937-3. ISBN 978-3-540-65321-9. ISSN 1864-5879. Georgi, Howard (2007). “Unparticlephysics”. 《Physical