TY  - BOOK
AU  - Laurila,Simo H.
TI  - Electronic surveying and navigation 
SN  - 0471518654
U1  - 526.028 
PY  - 1976///
CY  - New York 
PB  - Wiley
KW  - Electronics in surveying
KW  - Electronics in navigation
KW  - Geodesy
N1  - "A Wiley-Interscience publication."
ER  -