DESORPTION YIELDS USING keV POLYATOMIC PROJECTILES M.G. BLAIN, S. DELLA-NEGRA, H. JORET, Y. LE BEYEC and E.A. SCHWEIKERT J. Phys. Colloques, 50 C2 (1989) C2-147-C2-153 DOI: 10.1051/jphyscol:1989225