TY  - RPRT
TI  - Controls on the composition of fluvial sands from a tropical weathering environment: Sands of the Orinoco River drainage basin, Venezuela and Colombia
AU  - M. J. Johnsson
AU  - R.F. Stallard
AU  - N. Lundberg
PY  - 1991
DO  - 10.1130/0016-7606(1991)103<1622:cotcof>2.3.co;2
UR  - https://pubs.usgs.gov/publication/70015064
ID  - 70015064
ER  -