Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Tsukamoto Y. and Miyajima J. and Miyakawa K. and Imayoshi B.,Precise Recording Echo Sounder for Deep Water,The Journal of the Nautical Society of Japan,04666607,Japan Institute of Navigation,1962,28,0,95-98,https://cir.nii.ac.jp/crid/1390282681072988416,https://doi.org/10.9749/jina.28.0_95