Introduction - If you have any usage issues, please Google them yourself
VSP INTERPRETATION, ESTIMATION OF ATTENUATION AND
ANISOTROPY
F. BABAIA, D.R.D - ENAGEO, HMD 30500 Algeria, e-mail: f_babaia@yahoo.fr
F. CHEGROUCHE, D.R.D - ENAGEO, HMD 30500 Algeria, e-mail: f_chegrouche@yahoo.fr