LEADER 00870nam0 2200241 450 001 000026560 005 20090917120531.0 100 $a20090917d1993----km-y0itay50------ba 101 0 $aeng 102 $aIT 105 $ay-------001yy 200 1 $aDifferential GPS explained$ean exposè of the surprisingly simple principles behind todays most advanced positioning technology$fby Jeff Hurn 210 $a[Sunnyvale, Calif.]$cTrimble Navigation$d1993 215 $a1 v.$cill.$d22 cm 500 10$aDifferential GPS explained$943351 610 1 $aAstronomia geodetica 676 $a526.64$v20$9Astronomia geodetica e posizionale. Posizione geografica 700 1$aHurn,$bJeff$0633627 801 0$aIT$bUNIPARTHENOPE$c20090917$gRICA$2UNIMARC 912 $a000026560 951 $aG 526.64/7$bG 379$cDSA$d2009 996 $aDifferential GPS explained$943351 997 $aUNIPARTHENOPE