1. P. J. Davis, and P. Rabinowitz, 1967 , Numerical Integration . Blaisdell Publ. Co., USA, 230 pp.
2. P. Griveau, and B. Lambolez, 1973 , Interpretation rapide par le modele "filon" d'anomalies magnetiques ou gravimetriques en donnees de gradient vertical . Paper presented at the 35th E.A.E.G. Meeting at Brighton.
3. EXPERIENCES WITH AUTOMATIC MAGNETIC INTERPRETATION USING THE THICK PLATE MODEL *