THE ROLE OF ORDERED SURFACE AGGREGATES IN ION DESORPTION BY 252-Cf-PDMS R.D. MACFARLANE, C.J. McNEAL et D.L. JACOBS J. Phys. Colloques, 50 C2 (1989) C2-21-C2-25 DOI: 10.1051/jphyscol:1989204