Kodomotachi no hogei kaigi /
Iwai, Kunio.
Nara Joshi Daigaku.Shōgakkō 5-nen Tsukigumi.
Nihon Kujirarui Kenkyūjo.
Tōkyō : Zaidan hōjin Nihon Kujirarui Kenkyūjo,
c1990.
Japanese and English.
Whaling