TY - RPRT TI - Portable scintillation counters for geologic use AU - Edward Elmer Wilson AU - V.C. Rhoden AU - W.W. Vaughn AU - Henry Faul PY - 1953 DO - 10.3133/tei403 UR - https://pubs.usgs.gov/publication/tei403 ID - tei403 ER -