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Maximization of evolutionary trends for placental viviparity in the spadenose shark, Scoliodon taticaudus[J] . John P. Wourms.Environmental Biology of Fishes . 1993 (1)
[3]
Reproductive biology of guitar, Rhinobatos hynnicephalus[J] . Zheng Wenbin,Qiu Shuyuan.Environmental Biology of Fishes . 1993 (1)