TY - RPRT TI - Evaluation of an empirical radar backscatter model for predicting backscatter characteristics of geologic units at Pisgah Volcanic Field, California AU - Lisa R. Gaddis PY - 2012 DO - 10.1029/94gl01253 UR - https://pubs.usgs.gov/publication/70202099 ID - 70202099 ER -