de Ioannes, A.E. & Aguila, H.L. (1989)
Amino terminal sequence of heavy and light chains from ratfish immunoglobulin. Immunogenetics, 30(3), 175–180
DOI: 10.1007/BF02421203

Garrido, J. & de Ioannes, A.E. (1981)
Electron microscopy of the natural IgM-like hemagglutinin of the ratfish (Callorhynchus callorhynchus). Developmental and Comparative Immunology, 5(4), 691–696

Sánchez, G.A. & Gajardo, M.K. & de Ioannes, A.E. (1980)
IgM-like natural hemogglutinin from ratfish serum: isolation and physico-chemical characterization. (Callorhynchus callorhynchus). Developmental and Comparative Immunology, 4, 667–678
DOI: 10.1016/S0145-305X(80)80068-1

Sánchez, G.A. & Gajardo, M.K. & de Ioannes, A.E. (1979)
Immunoglobulin-like serum proteins from the ratfish (Callorhynchus callorhynchus) (author's transl). Archivos de biología y medicina experimentales, 12(1), 31–38