| Type |  Book |
| ชื่อเรื่อง | The Global positioning system : a shared national asset : recommedations for technical improvements and enhancements / Committee on the Future of the Global Positioning System, Commission on Engineering and Technical Systems, National Reserach Council |
| ผู้แต่ง | National research council (u.s.). Committee on the future of the global positioning system |
| ISBN | 0-309-05283-1 |
| พิมพลักษณ์ | Washington, D.C. : National Academy Press, 1995 |
| รูปเล่ม | 264 p. : ill. ; 28 cm |
| หัวเรื่อง | Artificial satellites in navigation |
| | Global positioning system |