TY  - BOOK
AU  - Kilford,W.K.
TI  -  Elementary Air Survey
SN  - 0273010824
U1  - 526.9823 20
PY  - 1980///
CY  - London
PB  - Pitman Books
KW  - Aerial photogrammetry
N1  - Includes bibographical references and indexs
ER  -