@inbook {619,
	title = {Introduction to spatial statistics},
	booktitle = {Patch Dynamics},
	year = {1993},
	month = {1993},
	pages = {16-26},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {New York},
	author = {Davis, F. W.},
	editor = {S. Levin, T. Powell and J. Steele}
}
