Getting to Grips with GPS: Mastering the Skills of GPS Navigation and Digital Mapping
by Peter Judd,Simon Brown
ISBN 13: 9781904207382
Format: Paperback (176 pages) Publisher: Cordee Published: 10 Mar 2006
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Memory Map Made Easy: A Beginner's Guide to Using Memory Map with Your GPS
by Simon Brown,Peter Judd
ISBN 13: 9780954773960
Format: Paperback (64 pages) Publisher: P3 Publications Published: 01 Mar 2007