TY  - RPRT
TI  - Investigation to develop a multistage forest sampling inventory system using ERTS-1 imagery
AU  - Langley, P. G.
AU  - Vanroessel, J. W.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19730017621
ID  - 19730017621
ER  -