TY  - RPRT
TI  - Conversion factors: SI metric and U.S. customary units
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1977
DO  - 10.3133/70039189
UR  - https://pubs.usgs.gov/publication/70039189
ID  - 70039189
ER  -