Bulletin of Fisheries Sciences, Hokkaido University
https://eprints.lib.hokudai.ac.jp/journals/index.php?jname=229
Memoirs of the Faculty of Fisheries Sciences, Hokkaido University
https://eprints.lib.hokudai.ac.jp/journals/index.php?jname=227
Data Record of Oceanographic Observations and Exploratory Fishing
https://eprints.lib.hokudai.ac.jp/journals/index.php?jname=417