Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAMOTO TOSHIO and MASE KEISUKE and NAGASAKA KOKICHI and OKADA EIJI and ITSUBO TOMOKO and MIYAJIMA TAKAKO and ENOKIJIMA MORITOSHI and KUMAI TOSHIO and IZUMI SEIJI,"Breeding of the silkworm race, Hakugin, with superthin cocoon filament.",The Journal of Sericultural Science of Japan,0037-2455,The Japanese Society of Sericultural Science,1999,68,2,125-132,https://cir.nii.ac.jp/crid/1390282679505580672,https://doi.org/10.11416/kontyushigen1930.68.125