000 00310nam a22001337a 4500
003 OSt
008 240215b |||||||| |||| 00| 0 eng d
082 _aR338.13
_bF60P
100 _aF. A. O
245 _aCrop production levels and fertilizers use
260 _FF. A. O
_c1981
300 _a69
942 _2ddc
_cBK
999 _c37178
_d37178