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| 1 | @{“¡ –Î(1987)H“cŒ§C“c‘òŒÎŽü•Ó‚̉ΎRŠâ‚Ì”N‘ãi‰‰Ž|j,“ú–{‰ÎŽRŠw‰ïu‰‰—\eW,1987,48-48. | @Suto, S. (1987) Age determination of the volcanic rocks around Lake Tazawa, Akita Prefecture. Bull. Volcanol. Soc. Japan, vol. 32, 379. | 923 |
| 2 | @NEDO (1981)•½¬2”N“x‘S‘’n”MŽ‘Œ¹‘‡’²¸i‘æ‚RŽŸj Lˆæ”M…—¬“®Œn’²¸@H“c‹î’n‹æ’n”M’²¸¬‰Ê}WC119p. | @ | @ |
| 3 | @åŠâ’n”M’nˆæ’nŽ¿}•ÒWƒOƒ‹[ƒvi1985j10–œ•ª‚Ì1@åŠâ’n”M’nˆæ’nŽ¿}à–¾‘C“ÁŽê’nŽ¿}i21-2jC’nŽ¿’²¸ŠC23p.@’nŽ¿’²¸Š | @Research group for the geological map of Sengan Geothermal Area (1985) Explanatory text of the geological map od Sengan Geothermal Area, acale 1:100,000. Miscellaneous Map Series (21-2), Geol. Surv. Japan, 23p. (In Japanese with English abstract) | 797 |
| 4 | @‰P“c ‰ë˜Y, ‰ª–{ ‹àˆê, ‚ˆÀ ‘ו (1985) ‚T–œ•ª‚Ì‚PCH“cŒ§‘‡’nŽ¿}•‹y‚Ñà–¾‘C“c‘òŒÎDH“cŒ§‘‡’nŽ¿}• H“cŒ§Cpp. 68, 2sheetsD | @ | 1068 |