1. HIROTA, R.(1961): Zooplankton investigations in the Bingo-Nada region of the Setonaikai (Inland Sea of Japan). Jour. Sci. Hiroshima Univ., Ser. B, Div. 1, 20, 83-145.
2. HIROTA, R.(1962): Species composition and seasonal changes of copepod fauna in the vicinity of Mukaishima. Jour. Oceanogr. Soc. Japan, 18, 35-40.
3. Kobe Marine Observatory (1930): The results of the oceanographical observations on board R. M. S.“Syunpu Maru” in the Setonaikai (the Inland Sea) in the year 1928, 1929-1930.(Part2) Jour. Ocean., 2,537-643.(In Japanese with English abstract)
4. Kobe Marine Observatory (1936): Report of the oceanographical observations on board R. M. S.“Syunpu Maru” in the western half of the Setonaikai (Inland Sea of Japan) in the winters 1930, 1932 and 1933. 9,101-270.(In Japanese with English abstract)
5. Kobe Marine Observatory (1937): Results of the oceanographical observations on board R. M. S.“Syunpu Maru” in the Setonaikai (Inland Sea of Japan) in the severe winter, February, 1936. 10, 45-76.(In Japanese)