Liu, Bo Combinational reasoning of quantitative fuzzy topological relations for simple fuzzy regions. [electronic resource] - PloS one 2015 - e0117379 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0117379 doi Subjects--Topical Terms: Fuzzy Logic