Richard L. Phillips. Definition and Manipulation of Graphical Entities in Geographic Information Systems. In Albrecht Blaser, editor, Data Base Techniques for Pictorial Applications, Florence, Italy, June 20-22, 1979, Proceedings. Volume 81 of Lecture Notes in Computer Science, pages 115-133, Springer, 1979.
@inproceedings{Phillips79, title = {Definition and Manipulation of Graphical Entities in Geographic Information Systems}, author = {Richard L. Phillips}, year = {1979}, researchr = {https://researchr.org/publication/Phillips79}, cites = {0}, citedby = {0}, pages = {115-133}, booktitle = {Data Base Techniques for Pictorial Applications, Florence, Italy, June 20-22, 1979, Proceedings}, editor = {Albrecht Blaser}, volume = {81}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-09763-5}, }