TY  - RPRT
TI  - FREQFIT; a computer program which performs numerical regression and statistical chi-squared goodness of fit analysis
AU  - G.S. Hofland
AU  - C.C. Barton
PY  - 1990
DO  - 10.3133/ofr89139
UR  - https://pubs.usgs.gov/publication/ofr89139
ID  - ofr89139
ER  -