000 | 00473nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170101s1952 xx 000 0 und d | ||
082 | _a631.45 F60S | ||
100 | _aFood and agriculture organization of the united nations | ||
245 | 0 | _aSoil conservation : an international study | |
260 | _c1952 | ||
300 | _a189p | ||
440 | _aFAO agriculture studies no. 4 | ||
650 | _aSOIL CONSERVATION | ||
653 | _aSOIL CONSERVATION | ||
653 | _aSOIL EROSION | ||
942 |
_2ddc _cB |
||
999 |
_c2634 _d2634 |