TY  - BOOK
AU  - Spurr, Stephen H.
TI  - Photogrammetry and photo-interpretation: with a section on applications to forestry
U1  - 634.929982 21st ed.
PY  - 1960///
CY  - New York
PB  - The Ronald Press
KW  - Aerial photogrammetry
KW  - Photogrammetry
KW  - Photographic interpretation
KW  - Photographic surveying
N1  - 466-72 includes index; 2nd edition of Aerial photographs in forestry
ER  -