TY - BOOK AU - Sickle, Jan Van, TI - GPS for land surveyors SN - 9781466583108 U1 - 526.982 SIC PY - 2015/// CY - Boca Raton PB - CRC Press KW - Mathematical geography KW - Time KW - Passive System KW - NAV Messages KW - GPS KW - Trilateration N1 - Includes glossary, reference and index ER -