uso del Sistema de Posicionamiento Global Letham, Lawrence. creator text bibliography mx Seattle, WA Mountaineers c2001 2001 3rd ed., SA rev. monographic spa eng

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208 p. ill., maps 22 cm. Lawrence Letham. Título original: GPS made easy. Includes bibliographical references (p. 201) and index. Text in Spanish. Outdoor recreation Equipment and supplies Spanish language materials Orienteering Equipment and supplies Global Positioning System 8480195916 IF9 020828 20160527193057.0 264166