Pushkarev, ︠. D., & Shukol︠i︡ukov, ︠. A. (1990). Mega︠t︡sikly v ėvol︠i︡u︠t︡sii sistemy kora-manti︠i︡a. "Nauka," Leningradskoe otd-nie.
Dyfyniad Arddull ChicagoPushkarev, ︠I︡U. D., and ︠I︡U. A. Shukol︠i︡ukov. Mega︠t︡sikly V ėvol︠i︡u︠t︡sii Sistemy Kora-manti︠i︡a. Leningrad: "Nauka," Leningradskoe otd-nie, 1990.
Dyfyniad MLAPushkarev, ︠I︡U. D., and ︠I︡U. A. Shukol︠i︡ukov. Mega︠t︡sikly V ėvol︠i︡u︠t︡sii Sistemy Kora-manti︠i︡a. "Nauka," Leningradskoe otd-nie, 1990.
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