TY  - RPRT
TI  - Double-mass curves, with a section fitting curves to cyclic data
AU  - James K. Searcy
AU  - Clayton H. Hardison
AU  - Walter B. Langbein
PY  - 1960
DO  - 10.3133/wsp1541b
UR  - https://pubs.usgs.gov/publication/wsp1541B
ID  - wsp1541B
ER  -