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00644nam a22001691a 4500 |
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UNA01000003028 |
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20120328184524.0 |
| 008 |
080728s1991 000 0 eng d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 526.3
|b H832te
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1 |
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|a Hothem, Larry D.
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| 245 |
1 |
0 |
|a Test and demonstration of three dual-frequency (L1/L2) GPS Satellite Survey Systems /
|c Larry D. Hothem
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| 260 |
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|a Heredia, C.R. :
|b BUNA ,
|c 1991
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| 300 |
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|a ca. 35 hojas en volmenesrias paginaciones :
|b gráficos ;
|c 28 cm.
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0 |
4 |
|a GEODESIA
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| 650 |
0 |
4 |
|a SATÉLITES ARTIFICIALES
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| 650 |
0 |
4 |
|a SISTEMAS DE POSICIONAMIENTO GLOBAL
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