Imaging The Hittite Cemetery Site with 3D Half Bird s Eye View of GPR Data Set in Sapinuva Ancient City of the Hittite Empire Corum Turkey IEEE Xplore Digital Library Conference Publications the 15th International Conference on Ground Penetrating Radar Brussels BELGIUM IEEE Conference record num 35163 ISBN 978 1 4799 6789 6 IEEE part num CFP14538 ART p 71 74