1.
Global Positioning System A Field Guide for the Social Sciences
by Spencer, John, Frizzelle, B...
ISBN: 9781405101851
List Price: $49.95
2.
Global Positioning System A Field Guide for the Social Sciences
by Spencer, John, Frizzelle, B...
ISBN: 9781405101844
List Price: $68.95
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Global Positioning System : A Field Guide for the Social Sciences
by Spencer, John, Frizzelle, B...
ISBN: 9780470693933
List Price: $263.00