TY  - RPRT
TI  - Karst topography; computer animations and paper model
AU  - T. R. Alpha
AU  - John P. Galloway
AU  - J. C. Tinsley
PY  - 1997
DO  - 10.3133/ofr97536a
UR  - https://pubs.usgs.gov/publication/ofr97536A
ID  - ofr97536A
ER  -