Quilichini, Y. & Foata, J. & Ba, C.T. & Marchand, B. (2007)
Ultrastructure of the spermatozoon of Calliobothrium verticillatum (Cestoda, Tetraphyllidea, Oncobothriidae). Acta Parasitologica, 52(3), 219–224
DOI: 10.2478/s11686-007-0037-9