References
- Cladis , P. E. , Bogardus , R. K. and Aadsen , D. 1978 . Phys. Reo. , A18 : 2292
- Schad , Hp. and Ossman , M. 1981 . J. Chem. Phys. , 75 : 880 “Applications of Operational Amplifiers: Third Generation Techniques” by Jerald Graeme, G., McGraw Hill, New York (1973)
- Ratna , B. R. and Shashidhar , R. 1977 . Mol. Cryst. Lig. Cryst. , 42 : 113 45, 103 (1978). B. R. Ratna, M. S. Vijaya, R. Shashidhar and B. K. Sadashiua, Pramana, Suppl. No. 1, 69 (1975)
- Madhusudana , N. Y. and Chandrasekhar , S. 1975 . 57 Pramana . Suppl. No. 1
- Cladis , P. E. 1981 . Molecular Crystals. Liquid Crystals , 67 : 177