1. Drainage basin expansion and the nine unit landsurface model;Arnett;Aus. Geograph.,1973
2. History of the Mediterranean ecosystems of california;Axelrot,1973
3. Geomorphological and General Systems Theory;Chorley;U.S. Geol. Survey Prof. Paper 500-B,1972
4. The application of statistical methods to geomorphology;Chorley,1966
5. The nine unit landsurface model: An approach to pedomorphic research;Conacher;Geoderma,1977