TY  - RPRT
TI  - How multispectral sensing can help the ecologist
AU  - Malida, W. A.
AU  - Polcyn, F. C.
AU  - Spansail, N. A.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19700059506
ID  - 19700059506
ER  -