Joel, J.J. & Ebenezer, I.P. (1999)
On the rare occurrence of a sawfish at Kanyakumari. Marine Fisheries Information Service, Technical and Extension Series, 161, 19–20
Joel, J.J. & Ebenezer, I.P. & Prosper, A. (1994)
On a whale shark landed at Kovalam, Kanyakumari. Marine Fisheries Information Service, Technical and Extension Series, 131, 22
Joel, J.J. & Ebenezer, I.P. (1993)
Long-lining, specifically for sharks practised at Thoothoor. Marine Fisheries Information Service, Technical and Extension Series, 121, 5–8
Joel, J.J. & Ebenezer, I.P. (1991)
On a bramble shark with 52 embryos. Marine Fisheries Information Service, Technical and Extension Series, 108, 15