The algebraic structure of sets of regions.

MLA

Goos, Gerhard, et al. “The Algebraic Structure of Sets of Regions.” Spatial Information Theory A Theoretical Basis for GIS, 1997, pp. 163–74. EBSCOhost, https://doi.org/10.1007/3-540-63623-4_49.

APA

Goos, G., Hartmanis, J., Leeuwen, J., Hirtle, S. C., Frank, A. U., Stell, J. G., & Worboys, M. F. (1997). The algebraic structure of sets of regions. In Spatial Information Theory A Theoretical Basis for GIS (pp. 163–174). https://doi.org/10.1007/3-540-63623-4_49

Chicago

Goos, Gerhard, Juris Hartmanis, Jan Leeuwen, Stephen C. Hirtle, Andrew U. Frank, J. G. Stell, and M. F. Worboys. 1997. “The Algebraic Structure of Sets of Regions.” In Spatial Information Theory A Theoretical Basis for GIS, 163–74. doi:10.1007/3-540-63623-4_49.