000 | 00331nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 151015s9999 xx 000 0 und d | ||
020 | _a- | ||
100 | _aLewis, A.B. | ||
245 | _aLand classification for agricultural development | ||
260 | _c1952 | ||
300 | _a37 p. | ||
500 | _aFAO Development paper no 18 | ||
942 |
_cFAO _2udc |
||
999 |
_c23983 _d23983 |