ANANTHAKRISHNAN, T.N. EKAMBARANATHA AYYAR, M.
MANUAL OF ZOOLOGY, Volume I : INVERTEBRATA, Part II : ANTHROPODA TO ECHINODERMATA - 6th Ed. - Madras S.Viswanathan Publishers, Madras 1997
592 / EKA/MA
MANUAL OF ZOOLOGY, Volume I : INVERTEBRATA, Part II : ANTHROPODA TO ECHINODERMATA - 6th Ed. - Madras S.Viswanathan Publishers, Madras 1997
592 / EKA/MA