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2. Assessing efficiency of agricultural chemical applications with different GPS, arcview and spatial analysis;Buick,1998
3. Comparing GPS guidance with foam marker guidance;Buick,1999
4. A Method of Evaluating Different Guidance Systems;Ehsani,2002
5. A dynamic performance evaluation method of DGPS auto guidance systems under linear parallel-tracking applications;Han;Transactions of the ASAE,2004