Dorman, L. M. A connected least-squares adjustment of Navigation data / by L. M. Dorman and J. W. Lavelle - Washington, D. C. : United States Government Printing Office, 1974 - 56 p. ; 26 cm. - NOAA technical report ERL 303-AOML 15 . Subjects--Topical Terms: Navigation (Aeronautics)Aids to navigation Dewey Class. No.: 629.13251092