1. K.P.Reis, A.Ramanan and M.S.Whittingham, Hydrothermal Synthesis of Sodium Tungstates, Chemistry of Materials (1990) 2 219-221.
  2. R.C.T. Slade, B.C. West A. Ramanan, W.T.A. Harrison and W.I.F. David, The Structure of LixKyWO3: A Powder Neutron Diffraction Study, Eur. J. Inorg. & Solid State Chem. (1989) 26 15-18.
  3. R.C.T. Slade, A. Ramanan, B.C. West, and E. Prince, Powder Neutron Diffraction Studies on V9Mo6O40, J. Solid State Chem. (1989) 82 65-69.
  4. R.C.T. Slade, A. Ramanan, P.R. Hirst and H.A. Pressman, Inelastic Neutron Scattering Spectra of Hydrogen and Ammonium Insertion Compounds of the metal Oxides MO3 (M=Mo and/or W), Mater. Res. Bull. (1988) 23 793-796.
  5. R.C.T. Slade, A. Ramanan, J.M. Nicol and C. Ritter, Synthesis, Characterization and Inelastic Neutron Scattering Spectra of Hydrogen Insertion Compounds of the Mixed V/Mo Oxide V9Mo6O40, Mater. Res. Bull. (1988) 23 647-651.
  6. C.N.R. Rao, J. Gopalakrishnan, K.Vidyasagar, A.K. Ganguli, A. Ramanan and L. Ganapathi, Novel Oxides Prepared by Ingenious Routes, J. Mater. Res. (1986) 1 150-165.
  7. L. Ganapathi, A. Ramanan, J. Gopalakrishnan and C.N.R. Rao, A Study of MoO3, WO3 and their Solid Solutions Prepared by Topotactic Dehydration of the Monohydrates, J. Chem. Soc. Chem. Commun. (1986) 62-63.
  8. A. Ramanan, J. Gopalakrishnan and C.N.R. Rao, Relative Stabilities of Layered Perovskite and Pyrochlore Structures in Transition Metal Oxides Containing Trivalent Bismuth, J. Solid State Chem. (1985) 60 376-383.
  9. A. Ramanan and J. Gopalakrishnan, Low-Temperature Preparations of Sillenite Phases in the Bi-M-O (M=Mn,Fe,Co) System, Indian J. Chem(1985) 24A 594-596.
  10. J. Gopalakrishnan, A. Ramanan, C.N.R. Rao, D.A. Jefferson and D.J. Smith, A Homologous Series of Recurrent Intergrowth Structures of the type (A,Bi)2n+1M2n+1O6n+3 Formed by Oxides of the Aurivillius Family, J. Solid State Chem. (1984) 55 101-105.
  11. A. Ramanan, J. Gopalakrishnan, M.K. Uppal, D.A. Jefferson and C.N.R. Rao, Bismuth Tungsten Bronzes: A Study of Intergrowth Phases and Related Aspects, Proc. Roy. Soc. Lond. (1984) A395 127-139.
  12. D.A. Jefferson, M.K. Uppal, D.J. Smith, J. Gopalakrishnan, A. Ramanan and C.N.R. Rao, Intergrowth Tungsten Bronzes of Bismuth, Mater. Res. Bull. (1984) 19 535-537.
  13. D.A. Jefferson, M.K. Uppal, J. Gopalakrishnan, A. Ramanan,  and C.N.R. Rao, High Resolution Electron Microscopic Investigations of Layered Bismuth Tungsten Oxides, Studies in Inorg. Chem. (1983) 3 409-412.
  14. A. Ramanan, G.N. Subbanna, J. Gopalakrishnan and C.N.R. Rao, Novel Phases and Structural Transitions in Chromium and Iron Substituted Bismuth Tungstates Bi2-xMxWO6 (M=Cr,Fe), Rev. Chim. Miner. (1983) 20 576-587.
  15. D.A. Jefferson, J. Gopalakrishnan and A. RamananStructural Adaptibility in the System Bi2O3-WO3: Higher Members of the Homologous Series Bi2WnO3n+3, Mater. Res. Bull(1982) 17 269-276.
  16. A. Ramanan and J. Gopalakrishnan, Perovskites and Weberite Related Phases in the Na-Ln-Bi-O System (Ln=La,Nd,Gd or Y), Rev. Chim. Miner.(1982) 19 225-236.
  17. A. Ramanan, J. Gopalakrishnan and C.N.R. Rao, Ternary Bismuth Oxides Bi26-xMxO40-y (M=Mg,Al,Co and Ni) related to  g-Bi2O3, Mater. Res. Bull.(1981) 16 169-175.
  18. B. Viswanathan, A. Ramanan and T.K. Varadarajan, Magnetic Properties of HoFe2O4, Physica Status Solidii (a) (1979) 55, K87-K88.