MÖSSBAUER STUDY OF THE MAGNETIC ORDERING IN THE RANDOM GARNETS Ca3(FexCr2-x)Ge3O12 (x=0.5, 1.0, 1.5) V.A. Povitskii, F.J. Litterst and E.F. Makarov J. Phys. Colloques, 41 C1 (1980) C1-183-C1-184 DOI: 10.1051/jphyscol:1980153