TY  - BOOK
AU  - Verstappen, H.Th.
TI  - An atlas illustrating the use of aerial photographs in geomorphological mapping
T2  - ITC Textbook of photo-interpretation vol. 7 chapter 5
U1  - 526.982 
PY  - 1977///
CY  - Enschede, The Netherlands
PB  - International Institute for Aerial Survey and Earth Sciences
KW  - FotografÃ­a aÃ©rea
KW  - FotointerpretaciÃ³n
ER  -