The Distribution of the Oceanic Squids, Ommastrephes bartrami (LESUEUR), Onychoteuthis borealijaponicus OKADA, Gonatopsis borealis SASAKI and Todarodes pacificus STEENSTRUP in the Pacific Ocean off Northeastern Japan.
Studies on the relationship between current boundary zones in waters to the southeast of Hokkaido and migration of the squid, Ommastrephes sloani pacificus