Structure, Magnetism and Colossal Magnetoresistance Behavior in A2Mn2O7 Pyrochlores (A = Dy-Lu, Y, Sc, In or Tl) M. A. Subramanian, J. E. Greedan, N. P. Raju, A. P. Ramirez et A. W. SleightJ. Phys. IV France, 07 C1 (1997) C1-625-C1-628DOI: https://doi.org/10.1051/jp4:19971258