Transformations among Topological Relation Representation Models for Regions with Holes Using the 25-intersection Method
WANG Zhangang, QU Honggang, WANG Xianghong
Acta Geodaetica et Cartographica Sinica . 2018, (9): 1270 -1279 .  DOI: 10.11947/j.AGCS.2018.20160589