Abd Alrahman، E. M.، و Sharaf Aldin، S. M. (1997). A LEAST SQUARES APPROACH TO DEPTH DETERMINATION FROM RESIDUAL MAGNETIC ANOMALIES DUE TO SPHERES AND HORIZONTAL CYLINDERS. جرش للبحوث والدراسات، مج1, ع2 ، 31 - 40. مسترجع من http://search.mandumah.com/Record/664847
Abd Alrahman، E. M.، و S. M. Sharaf Aldin. "A LEAST SQUARES APPROACH TO DEPTH DETERMINATION FROM RESIDUAL MAGNETIC ANOMALIES DUE TO SPHERES AND HORIZONTAL CYLINDERS." جرش للبحوث والدراسات مج1, ع2 (1997): 31 - 40. مسترجع من http://search.mandumah.com/Record/664847