一般注記 |
Thionic fluvisol (sulfic tropaquept) ... 1981: t.p. (O.C. Spaargaren) World reference base for soil resources, c1998: p. 4 of cover (Otto Spaargaren, senior soil scientist with ISRIC, Wageningen, the Netherlands) p. 13 (Vice-chairman of the ISSS Working Group RB) SRC:世界の土壌資源: 入門 / J.A. Deckers, F.O. Nachtergaele, O.C. Spaargaren編 ; 太田誠一, 吉永秀一郎, 中井信監訳 (古今書院, 2002.12)
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