CALORIMETRIC AND INFRA-RED STUDY OF THE PHASE SITUATION IN SOLID MBBA J.A. JANIK, J.M. JANIK, J. MAYER, E. ŚCIESINSKA, J. ŚCIESINSKI, J. TWARDOWSKI, T. WALUGA and W. WITKO J. Phys. Colloques, 36 C1 (1975) C1-159-C1-165 DOI: 10.1051/jphyscol:1975131