TY - RPRT TI - A practical method of estimating standard error of age in the fission track dating method AU - N.M. Johnson AU - V.E. McGee AU - C. W. Naeser PY - 1979 DO - 10.1016/0191-278x(79)90001-5 UR - https://pubs.usgs.gov/publication/70012635 ID - 70012635 ER -