Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nishitani Y. and Yonezawa Y.,Characteristics of Loran Sky-wave Propagation Errors : V. The Variation of Special Correction and its Effect for Loran Fix by Matching Ground-Wave with Sky-wave,The Journal of the Nautical Society of Japan,04666607,Japan Institute of Navigation,1964,31,0,41-45,https://cir.nii.ac.jp/crid/1390282681073416448,https://doi.org/10.9749/jina.31.0_41