TY  - RPRT
TI  - Worldwide directory of national earth-science agencies and related international organizations
AU  - Elizabeth J. Tinsley
AU  - J.P. Hollander
PY  - 1984
DO  - 10.3133/cir934
UR  - https://pubs.usgs.gov/publication/cir934
ID  - cir934
ER  -