User:Martin Hogbin/Mpemba

http://www.engineeringtoolbox.com/water-thermal-properties-d_162.html

http://chemed.chem.wisc.edu/chempaths/GenChem-Textbook/Heat-Capacities-715.html

http://www.lsbu.ac.uk/water/explan4.html

http://physchem.kfunigraz.ac.at/sm/service/water/H2Ocp.htm