TY - RPRT TI - Global positioning system measurements for crustal deformation: Precision and accuracy AU - William H. Prescott AU - J.L. Davis AU - Jerry L. Svarc PY - 1989 DO - 10.1126/science.244.4910.1337 UR - https://pubs.usgs.gov/publication/70015072 ID - 70015072 ER -