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 and K. J. Lushington J. Phys. Colloques, 49 C8 (1988) C8-1495-C8-1496 DOI: 10.1051/jphyscol:19888688