TY  - RPRT
TI  - Ocean trenches; a computer animation and paper model
AU  - T. R. Alpha
AU  - J. P. Galloway
PY  - 1996
DO  - 10.3133/ofr9676b
UR  - https://pubs.usgs.gov/publication/ofr9676B
ID  - ofr9676B
ER  -