"Takao Koyama,_“cŒa,Mitsuru Utsugi,Takayuki Kaneko,Takao Ohminato,Atsushi Watanabe,Hiroshi Tsuji,Taro Nishimoto,Alexey  Kuvshinov,Yoshiaki Honda","Summary: Aeromagnetic survey in Kusatsu-Shirane Volcano, central Japan, by using an unmanned helicopter",,"2021”N“xConductivity AnomalyŒค‹†‰๏˜_•ถW",,,,"p. 63",2022,Mar.
"Takao Koyama,Wataru Kanda,Mitsuru Utsugi,Takayuki Kaneko,Takao Ohminato,Atsushi Watanabe,Hiroshi Tsuji,Taro Nishimoto,Alexey  Kuvshinov,Yoshiaki Honda","Aeromagnetic survey in Kusatsu-Shirane volcano, central Japan, by using an unmanned helicopter",,"Earth, Planets and Space",,"Vol. 73","No. 1",,2021,July
"ฌŽR ’•v,_“c Œa,‰F’ร–ุ [,‹เŽq —ฒ”V,‘ๅ–ฉ —ฒ—Y,“n็ณ “ฤŽu,’า _,ผ–{ ‘พ˜Y,Alexey  Kuvshinov,–{‘ฝ ‰ร–พ","–ณlƒwƒŠƒRƒvƒ^[‚ษ‚ๆ‚้‘’ร”’ชŽR‹๓’†Žฅ‹C‘ช—ส","JpGU2021",,,,,,2021,June