TY  - RPRT
TI  - Critical minerals: A review of elemental trends in comprehensive criticality studies
AU  - Sarah M. Hayes
AU  - Erin A. McCullough
PY  - 2018
DO  - 10.1016/j.resourpol.2018.06.015
UR  - https://pubs.usgs.gov/publication/70200009
ID  - 70200009
ER  -