Prabakar, D.C. and Radhakrishnan, C. 2004. First Record of <i>Madasumma soror</i> Chopard, 1969 (Gryllidae : Orthoptera : Insecta) from Kakkayam Reserve Forest, Kozhikode District, Kerala, India. Records of the Zoological Survey of India. 103, 1-2 (Jun. 2004), 185–186. DOI:https://doi.org/10.26515/rzsi/v103/i1-2/2004/159499.