WoRMS source details
Sperber, C. (1939). Preliminary notes on the genital organs of Nais blanci and Nais josinae. Ark Zool. 31: 1-5.
279794
Sperber, C.
1939
Preliminary notes on the genital organs of Nais blanci and Nais josinae.
Ark Zool
31: 1-5.
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