MAGNETIC STRUCTURE AND EXCITATIONS IN THE INTERMETALLIC COMPOUND MnNi K. Mikke, V. A. Udovenko, J. J. Milczarek, E. Z. Vintaikin, S. Y. Makushev et V. B. Dmitriev J. Phys. Colloques, 49 C8 (1988) C8-185-C8-186 DOI: 10.1051/jphyscol:1988879