Sekharan, K V, et al. “SPAWNING CONCENTRATIONS OF THE SARDINE, SARDINELLA GIBBOSA (BLEEKER), OFF THE NORTH ANDHRA COAST IN MARCH - APRIL 1969”. Indian Journal of Fisheries, vol. 16, no. 1 & 2, Dec. 2011, pp. 156-60, https://epubs.icar.org.in/index.php/IJF/article/view/13251.