(2) Probability distribution of anomalous phase angles in a centrosymmetric crystal (1977). Ponnuswamy, M.N. and Parthasarathy, S., Acta Cryst., A33, 298.
(3) Quantitative statistical criteria for use in the cumulative, semicumulative and distribution function tests for centrosymmetry (1977). Ponnuswamy, M.N. and Parthasarathy, S., Acta Cryst., A33, 838.
(4) Overall values of conventional discrepancy indices in the presence of random positional errors � crystals with similar atoms (1979). Parthasarathy, S. and Ponnuswamy, M.N., Acta Cryst., A35, 672.
(5) Evaluation of Wilson�s Ratio for monoclinic and orthorhombic crystals with heavy atoms (1979). Ponnuswamy, M.N. and Parthasarathy, S., J. Mad. Univ., B42(3), 862.
