1. Remote sensing of wildland resources: a state-of-the-art review;Aldrich;USDA For. Serv. Rocky Mount. For. Range Exp. Stn., Fort Collins, CO, Gen. Tech. Rep. RM-71,1979
2. New products promise to expand desktop mapping market;Geodetic. Inf. Mag.,1988
3. Controlled-scale aerial sampling photography: development and implications of multi-resource inventory;Befort;J. For.,1988
4. Fractal dimensions of landscapes and other environmental data;Burrough;Nature,1981
5. Principles of geographical information systems for land resource assessment;Burrough,1987