1. G. Sundara Rajulu, M. Aruchami, and N. Gowry, Natural deacetylation of chitin to chitosan in the abdominal cuticle of the physogastric queen of Macrotermes estherae, in: “Proceeding Second International Conference Chitin/Chitosan”, S. Tokura and S. Hirano, eds., Japanese Soc. Chitin, Tottori, Japan, 1982.
2. E. van Wisselingh, Detection of chitin, Jahrb. Wiss. Bot., 31: 619 (1898).
3. G. Sundara Rajulu, A comparative study of the haemolymph of Arthropoda, J. Anim. Morphol. Physiol., 17: 86 (1970).
4. G. Sundara Rajulu, Cuticle of queen termites, Ind. Zool., 5: 103 (1981).
5. A. G. Richards, The integument of Arthropoda, University of Minnesota Press, Minneapolids.