TY  - RPRT
TI  - Effect of sample inhomogeneity in K Ar dating
AU  - J. C. Engels
AU  - C.O. Ingamells
PY  - 1970
DO  - 10.1016/0016-7037(70)90082-7
UR  - https://pubs.usgs.gov/publication/70010226
ID  - 70010226
ER  -