Helvacı, C. And Helvacı, C. 2004. Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps. XXth Congress International Society for Photogrammetry and Remote Sensing , 461-464.

Helvacı, C., & Helvacı, C., (2004). Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps . XXth Congress International Society for Photogrammetry and Remote Sensing (pp.461-464).

Helvacı, C., And C. Helvacı. "Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps," XXth Congress International Society for Photogrammetry and Remote Sensing, 2004

Helvacı, C. And Helvacı, C.. "Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps." XXth Congress International Society for Photogrammetry and Remote Sensing , pp.461-464, 2004

Helvacı, C. And Helvacı, C. (2004) . "Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps." XXth Congress International Society for Photogrammetry and Remote Sensing , pp.461-464.

@conferencepaper{conferencepaper, author={C. Helvacı And author={C. Helvacı}, title={Semi Automatic Digitizing Of Contours From 1:25000 Scaled Maps}, congress name={XXth Congress International Society for Photogrammetry and Remote Sensing}, city={}, country={}, year={2004}, pages={461-464} }