TY  - BOOK
AU  - Allum,J.A.E.
TI  - Photogeology and regional mapping
PY  - 1978///
CY  - Oxford : 
PB  - Pergamon Press, 
KW  - Aerial photography in geology
KW  - Geology
KW  - Maps
N1  - Bibliography: pages 105-108
ER  -