TY  - BOOK
AU  - Jensen,Niels, x
AU  - x
TI  - Optical   and   photographic   reconnaissance   systems: x
SN  - x
U1  - 535.8/JEO 
PY  - 1968///
CY  - N, Y.
PB  - Wiley
KW  - Optics
ER  -