1. Akai, H.: Micromorphological changes of the grandular cell in the posterior division of the silk gland during the 5th larval instar of the silkworm, Bombyx mori. Bull. Sericult. Exp. Sta.
18:475–511(1964)
2. Akai, H.: Studies on the ultrastructure of the silk gland in the silkworm, Bombyx mori L. Bull. Sericult. Exp. Sta. (Tokyo)
19:375–484 (1965), in Japanese with English summary
3. Akai, H.: An ultrastructural study of changes during molting in the silk gland of larvae of the Eri-silkworm, Philosamia cynthia ricini Boisduval (Lepidoptera: Saturnidae). Appl. Ent. Zool. 6:27–39 (1971a)
4. Akai, H.: Ultrastructure of fibroin in the silk gland of larval Bombyx mori. Exptl. Cell Res. 69:219–223 (1971b)
5. Akai, H., Kobayashi, M.: Cytological studies of silkprotein and nuclei acid syntheses in the silk gland of the silkworm, Bombyx mori. Symposia Cell Chem.
17:131–138 (1966), in Japanese with English summary