1. AGSTATS, Small Area Agricultural Commodity Data, NSW 1989–1990;ABS,1992
2. Soil erosion: Productivity Research in New South Wales to 1982;Aveyard,1983
3. Environmental representativeness: regional partitioning and reserve selection;Belbin;Biol. Conserv.,1993
4. On-site costs of land degradation in agriculture and forestry;Blyth,1987
5. GAMS: A User's Guide;Brooke,1992