B

Both, Alan, Duckham, Matt and Worboys, Michael (2018) Identifying surrounds and engulfs relations in mobile and coordinate-free geosensor networks. ACM Transactions on Spatial Algorithms and Systems, 4 (2):6. ISSN 2374-0353 (Print), 2374-0361 (Online) (doi:https://doi.org/10.1145/3234505)