Tu, T. J.; Po, H. K. (1959). Distribution of Dugesia (=Euplanaria) gonocephala (Duges) in China and North Korea. China Jour. Zool., 9: 416-419. (In Chinese).
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Tu, T. J.; Po, H. K.
1959
Distribution of Dugesia (=Euplanaria) gonocephala (Duges) in China and North Korea.