TY  - RPRT
TI  - An analysis of spatial relation predicates in U.S. Geological Survey feature definitions
AU  - Holly K. Caro
AU  - Dalia E. Varanka
PY  - 2011
DO  - 10.3133/ofr20111235
UR  - https://pubs.usgs.gov/publication/ofr20111235
ID  - ofr20111235
ER  -