TY  - RPRT
TI  - A general theory of multimetric indices and their properties
AU  - Donald R. Schoolmaster
AU  - James B. Grace
AU  - E. William Schweiger
PY  - 2012
DO  - 10.1111/j.2041-210x.2012.00200.x
UR  - https://pubs.usgs.gov/publication/70042265
ID  - 70042265
ER  -