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