MÖSSBAUER AND CHANNELING STUDIES ON 119Te, 119Sb AND 119Sn IMPLANTS IN GROUP-IV ELEMENTS G. WEYER, B. I. DEUTCH, A. NYLANDSTED-LARSEN, J. U. ANDERSEN and H. L. NIELSEN J. Phys. Colloques, 35 C6 (1974) C6-297-C6-300 DOI: 10.1051/jphyscol:1974646