@article{oai:ir.kagoshima-u.ac.jp:00007571,
 author = {黒木, 敏郎 and 中馬, 三千雄},
 issue = {2},
 journal = {鹿児島大学水産学部紀要=Memoirs of Faculty of Fisheries Kagoshima University},
 month = {2016-10-28},
 note = {In the case according to the conical surface of equi-decibel front of supersonic wave, there are large errors of record in the echo-sounding fish-finder. Generally, the errors of records of fish-finder are given as  follows:},
 pages = {25--28},
 title = {水平魚群探知に関する研究（第III報） : 一般魚探機による読みの誤差について},
 volume = {3},
 year = {}
}