Gagarin, V. G. and Chizhov, V. N. (1993). Some Data on Structure the Female Genital System in Free-Living Nematodes and the Main Trends of Its Evolution (Nekotorye Dannye o Stroenie Polovoi Sistemy Samok Svobodnozhivushchikh Nematod i Osnovnye Napravleniia ee Evoliutsii). Zoologicheskii Zhurnal, 72(2): 27-39.
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Gagarin, V. G. and Chizhov, V. N.
1993
Some Data on Structure the Female Genital System in Free-Living Nematodes and the Main Trends of Its Evolution (Nekotorye Dannye o Stroenie Polovoi Sistemy Samok Svobodnozhivushchikh Nematod i Osnovnye Napravleniia ee Evoliutsii)