(2003). Guidelines for the use of GPS in surveying and mapping: RICS guidance note /. Coventry: RICS Business Services.
Παραπομπή Chicago StyleGuidelines for the Use of GPS in Surveying and Mapping: RICS Guidance Note /. Coventry: RICS Business Services, 2003.
Παραπομπή MLAGuidelines for the Use of GPS in Surveying and Mapping: RICS Guidance Note /. Coventry: RICS Business Services, 2003.
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