TY  - BOOK
AU  - Spurr,Stephen Hopkins
TI  - Photogrammetry and photo-interpretation: with a section on applications to forestry
PY  - 1960///
CY  - New York : 
PB  - Ronald Press, 
KW  - Forest surveys
KW  - Photographic surveying
KW  - Photography, Aerial
N1  - Includes bibliography
ER  -