TY  - RPRT
TI  - Small fields in the National Oil and Gas Assessment
AU  - David H. Root
AU  - Emil Attanasi
PY  - 1993
DO  - 10.1306/bdff8c68-1718-11d7-8645000102c1865d
UR  - https://pubs.usgs.gov/publication/70200707
ID  - 70200707
ER  -