TY  - BOOK
AU  - Rees W G
TI  - Physical principles of remote sensing
T2  - Topics in remote sensing
U1  - U18:M95(D:28), N0 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Geography
N1  - Bib p. 230-35,Appendix p. 225-29
ER  -