TY  - RPRT
TI  - Arizona radiometric ages HyperCard Stack computer file, Part A - User guide
AU  - Carl A. Carlson
AU  - Stephen J. Reynolds
PY  - 1990
DO  - 10.3133/ofr90704a
UR  - https://pubs.usgs.gov/publication/ofr90704A
ID  - ofr90704A
ER  -