TY  - RPRT
TI  - Evaluation of the lead-alpha (Larsen) method for determining ages of igneous rocks
AU  - David Gottfried
AU  - Howard W. Jaffe
AU  - Frank E. Senftle
PY  - 1959
DO  - 10.3133/b1097a
UR  - https://pubs.usgs.gov/publication/b1097A
ID  - b1097A
ER  -