MÖSSBAUER EFFECT STUDY OF THE ANNEALING OF 57[MATH]AL, IMPLANTED AT 4.2K E. Verbiest, H. Pattyn et J. Odeurs J. Phys. Colloques, 41 C1 (1980) C1-431-C1-432 DOI: 10.1051/jphyscol:19801168