NAVRÁTIL, Vladislav and Dagmar JENIŠOVÁ. Mpembův jev - jev, nebo artefakt? (Mpemba´s Effect - Effect or Artefact?). In UNOB Brno. XXVI International Colloquium on the Management of Educational Process. I. Brno: University of Defence, 2008, p. 2 - 6. ISBN 978-80-7231-511-6.