Ogren, R. E. (1982). The identification and reproductive apparatus of the land planarian, Microplana atrocyaneus (Walton) from Pennsylvania (Platyhelminthes: Turbellaria). Proceedings of the Pennsylvania Academy of Science. 56: 39–43.
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Ogren, R. E.
1982
The identification and reproductive apparatus of the land planarian, Microplana atrocyaneus (Walton) from Pennsylvania (Platyhelminthes: Turbellaria)
Proceedings of the Pennsylvania Academy of Science