Makino, Naoya; Shirasawa, Yasuko (1986). "Biology of long slender land planarians (Turbellaria) in Tokyo and environs". Hydrobiologia. 132 (1): 229–232. doi:10.1007/BF00046253. ISSN0018-8158.
Makino, Naoya; Shirasawa, Yasuko (1986). "Biology of long slender land planarians (Turbellaria) in Tokyo and environs". Hydrobiologia. 132 (1): 229–232. doi:10.1007/BF00046253. ISSN0018-8158.