TY - RPRT TI - Borehole activation analysis by delayed and capture gamma rays using a 252Cf neutron source AU - R.M. Moxham AU - F. E. Senftle AU - G. R. Boynton PY - 1972 DO - 10.2113/gsecongeo.67.5.579 UR - https://pubs.usgs.gov/publication/70206714 ID - 70206714 ER -