Hacettepe University

Department of Geological Engineering, Applied Geology Division

  Ergün TUNCAY

     Prof. Dr.

Hacettepe University

Faculty of Engineering

Dept. of Geological Engineering

Applied Geology Division

06800 Beytepe Ankara TURKEY

Phone: +90 312 2977770

Fax: +90 312 2992034

E-mail: etuncay@hacettepe.edu.tr

Contact:

Psycological inertia can be a very time-consuming and destructive issue in the inventive process

                         Genrich Altshuller