SPECIFIC HEAT OF MTa2O6 (M = Co, Ni, Fe, Mg) EVIDENCE FOR LOW DIMENSIONAL MAGNETISM R. K. Kremer, J. E. Greedan, E. Gmelin, W. Dai, M. A. White, S. M. Eicher et K. J. Lushington J. Phys. Colloques, 49 C8 (1988) C8-1495-C8-1496 DOI: 10.1051/jphyscol:19888688