TY - RPRT TI - Sociocultural and institutional drivers and constraints to mineral supply; the meaning of scarcity in the 21st century: drivers and constraints to the supply of minerals using regional, national and global perspectives AU - William M. Brown PY - 2002 DO - 10.3133/ofr02333 UR - https://pubs.usgs.gov/publication/ofr02333 ID - ofr02333 ER -