*Maxwell's demon: entropy, information, computing, edited by H.S.Leff and A.F. Rex (IOP publishing, 1990) 
*Maxwell's demon, 2: entropy, classical and quantum information, edited by H.S.Leff and A.F. Rex (IOP publishing, 2003) 
*The emperor's new mind: concerning computers, minds, and the laws of physics, by Roger Penrose (Oxford university press, 2002) 
*[http://magnetooptics.phy.bme.hu/research/topics/optical-properties-of-multiferroic-materials/ Multiferroic] materials with time-reversal breaking optical properties 
*CP violation, by I.I. Bigi and A.I. Sanda (Cambridge University Press, 2000) 
*[http://pdg.lbl.gov/2004/reviews/cpviolrpp.pdf Particle Data Group on CP violation]
**the [http://www-public.slac.stanford.edu/babar/ Babar] experiment in SLAC
**the [http://belle.kek.jp BELLE] experiment in KEK
**the [https://web.archive.org/web/20050404165826/http://kpasa.fnal.gov:8080/public/ktev.html KTeV] experiment in Fermilab
**the [http://cplear.web.cern.ch/cplear/Welcome.html CPLEAR] experiment in CERN