TY  - RPRT
TI  - Phosphates; Mineral paints
AU  - Alfred Reginald Schultz
AU  - R. W. Richards
AU  - Joseph Thomas Pardee
PY  - 1913
DO  - 10.3133/b530f
UR  - https://pubs.usgs.gov/publication/b530F
ID  - b530F
ER  -