S. CHOCKALINGAM, K. P. S. JEYACHANDRAN, and B. SHANTHY, “EFFECT OF SUBLETHAL CONCENTRATIONS OF DAIRY EFFLUENT ON THE RESPIRATORY METABOLISM OF DRAGONFLY NYMPH BRACHYTAHERMIS CONTAMINATA”, UPJOZ, vol. 8, no. 1, pp. 12–17, Jan. 1988.