一般注記 |
Author's Landevaluatie in noord Algerije ... 1985?: (F. Nachtergaele) World reference base for soil resources, c1998: t.p. (F.O. Nachtergaele) p. 4 of cover (Freddy Nachtergaele, Technical Officer, Soil Resources, FAO) p. 13 (Secretary of the ISSS Working Group RB) SRC:Land resource potential and constraints at regional and country levels / based on the work of A.J. Bot, F.O. Nachtergaele, A. Young(Land and Water Development Division, Food and Agriculture Organization of the United Nations, 2000)
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