| Authors(s) | Morioka, Y. | 
| Year | 1980 | 
| Title | Dense population of a pteropod, Creseis acicula in the neritic waters of the middle Japan Sea. Bull. Jap. Sea Reg. Fish. Res. Lab. 31: 169-171. | 
| Authors(s) | Morioka, Y. | 
| Year | 1980 | 
| Title | Dense population of a pteropod, Creseis acicula in the neritic waters of the middle Japan Sea. Bull. Jap. Sea Reg. Fish. Res. Lab. 31: 169-171. |