1. Brody, S. 1945. Bioenergetics and Growth. Reinhold, New York.
2. Frith, H.J. 1962a. The Mallee-Fowl, the Bird that Builds an Incubator. Angus & Robertson, Sydney.
3. SAS Institute 1992. SAS User's Guide: Statistics, Version 6.08. SAS Institute Inc., Cary, North Carolina.