POSSIBLE IMPROVEMENTS OF MÖSSBAUER SPECTROMETERS WITH THE USE OF MULTIWIRE PROPORTIONAL COUNTERS G.C. BONAZZOLA, T. BRESSANI, E. CHIAVASSA, G. DELLACASA, A. MUSSO et B. MINETTI J. Phys. Colloques, 35 C6 (1974) C6-687-C6-690 DOI: 10.1051/jphyscol:19746153