@article{472769, recid = {472769}, title = {The global positioning system a shared national asset : recommendations for technical improvements and enhancements / [electronic resource] :}, publisher = {National Academy Press,}, address = {Washington, D.C. :}, pages = {xix, 264 p. :}, year = {1995}, note = {"... Congress requested a joint study by the National Academy of Sciences and the National Academy of Public Administration (NAPA) ..."--Pref.}, url = {http://library.usi.edu/record/472769}, }