1. Statistics for spatial data;Cressie,1991
2. A summary of the theory of point processes;Daley,1972
3. Statistical analysis of spatial point patterns;Diggle,1983
4. Are wildcat well outcomes dependent or independent?;Kaufman;Nonrenewable Resources,1992
5. Methods for analysing spatial processes of several types of points;Lotwick;Jour. Roy. Stat. Soc. B,1983