EMISSION OF MOLECULAR IONS FROM A PEPTIDE SAMPLE UNDER 32S BOMBARDMENT AT ENERGIES 25-90 MeV F. RIGGI, M. T. SANTANGELO, R. M. SPINA, M. LATTUADA et C. SPITALERI J. Phys. Colloques, 50 C2 (1989) C2-47-C2-52 DOI: 10.1051/jphyscol:1989209