TY  - BOOK
AU  - Howard,John A.
TI  - Aerial photo-ecology
SN  - 057108592X :
U1  - 778.35 
PY  - 1970///
CY  - London
PB  - Faber and Faber
KW  - Aerial photography in forestry
KW  - Aerial photography in botany
KW  - Aerial photography in geography
N1  - Bibliography : p. 277-311
ER  -