Title: A SECOND BORN MODEL FOR DOUBLE SCATTERING OF EJECTED ELECTRONS
       IN ION - ATOM COLLISIONS

Authors: Cs. Koncz and B. Sulik

Affiliations: Institute of Nuclear Research of the Hungarian Academy of 
              Sciences (ATOMKI) Bem t\'er 18/c, 4026 Debrecen, Hungary

Summary: The influence of the second-order Born term on the doubly 
differential ionization cross section is analyzed searching for signs of
double scattering effects.