1. H. Ghassem and A. Raman, The erbium-rhodium system, submitted to Met. Trans..
2. H. Ghassem and A. Raman, The intermediate phases in some rare earth-rhodium systems, submitted to Z. Metallk.
3. K. Yvon, H. Jeitschko and E. Parthé, A Fortran IV Program for Intensity Calculation of Powder Patterns (1969 Version), Univ. Penn., Lab. for Research on the Structure of Matter, Philadelphia, Penn. 19104, U.S.A.