TY  - RPRT
TI  - Pattern recognition. v- samp - a computer program for estimating surface area from contour maps
AU  - Monmonier, M. S.
AU  - Pfaltz, J. L.
AU  - Rosenfeld, A.
PY  - 1965
UR  - https://ntrs.nasa.gov/citations/19650026797
ID  - 19650026797
ER  -