000 00259nam a22001217a 4500
003 OSt
008 231229b |||||||| |||| 00| 0 eng d
082 _aP630.2
_bA25
245 _aAgriculture and environment
260 _c1981
300 _a6
942 _2ddc
_cBK
999 _c35296
_d35296