TY  - RPRT
TI  - Bibliography of the geology of sedimentary phosphorite and igneous apatite
AU  - N.J. Bridges
AU  - M.Y. Jones
AU  - A.I. Lee
AU  - R. W. Bowen
AU  - R.P. Sheldon
PY  - 1983
DO  - 10.3133/ofr83841
UR  - https://pubs.usgs.gov/publication/ofr83841
ID  - ofr83841
ER  -