Gračan, R. & Lazar, B. & Posavec, I. & Gregorović, G. & Lacković, G. (2012)
Maturation, fecundity and reproductive cycle of spiny dogfish, Squalus acanthias, in the Adriatic Sea.
Marine Biology Research, 9(2), 198–207 DOI: 10.1080/17451000.2012.729956