Title: Izsli︠e︡dovanīi︠a︡ o spermīi︠a︡kh desi︠a︡tinogikh rakov v svi︠a︡zi s obshchimi soobrazhenīi︠a︡mi otnositel'no organizat︠s︡īi kli︠e︡tki
Subjects: Smooth dogfish, Spiny dogfish