@article {2204, title = {The use of PDA in fieldwork for geological mapping and structural analysis.}, journal = {GAIA}, volume = {14}, number = {Α}, year = {2006}, pages = {57-66}, url = {http://users.uoa.gr/~evasilak/pages/pdfs/18\%20PDA_GIS_Tectonic_Analysis.pdf}, author = {Vassilakis, E} }