1. Sailendri, K.,Ph.D. Thesis submitted to Madurai University, India (1973).
2. Miller, J. F. A. P.,Ann. Immunol. (Inst. Pasteur)125 213 (1974).
3. Gershon, R. K., InMolecular approaches to Immunology. Academic Press, Inc., New York, p. 75 (1975).
4. Manning, M. J.,Am. Zool.
15 63 (1975).
5. Charlemagne, J.,Eur. J. Immunol.
4 390 (1974).