TY  - BOOK
AU  - Sears,G.M.
ED  - North East London Polytechnic.
TI  - First steps in photogrammetry
T2  - Working paper
SN  - 0260-9142
U1  - 526.9823 
PY  - 1982///
CY  - [London]
PB  - North East London Polytechnic, Department of Land Surveying
KW  - Aerial photogrammetry
ER  -