TY  - BOOK
AU  - Laurila,Simo Heikki
AU  - Harris,David W.
TI  - Electronic surveying in practice
SN  - 0471090212
U1  - 526.9028 
PY  - 1983///
CY  - New York
PB  - John Wiley & Sons
KW  - ELECTRONICA EN TOPOGRAFIA
N1  - p. 373-375
ER  -