000 | 00475nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
020 | _a9251004102 | ||
080 | _a631.4 | ||
245 | _aAssessing soil degradation : report of an FAO/UNEP Expert Consultation held in R | ||
260 | _aRome | ||
260 | _bFood and Agriculture Organization on the United Nations, | ||
260 | _c1977 | ||
300 | _a83p | ||
440 | _aFAO Soils Bulletin 34 | ||
901 | _pS58967 | ||
942 |
_cB _2udc |
||
999 |
_c116311 _d116311 |