A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Yosikazu KASAI. "The fauna of Nigori-gawa, an acid river in Miyagi Prefecture." Japanese Journal of Limnology (Rikusuigaku Zasshi) 11.1 (1941) 7-13