TY  - RPRT
TI  - Refinement and evaluation of the Massachusetts firm-yield estimator model version 2.0
AU  - Sara B. Levin
AU  - Stacey A. Archfield
AU  - Andrew J. Massey
PY  - 2011
DO  - 10.3133/sir20115125
UR  - https://pubs.usgs.gov/publication/sir20115125
ID  - sir20115125
ER  -