000 00285nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a631.8 L129
100 _a"Laegreid, Marit"
245 0 _a"Agriculture, fertilizers, and the environment"
260 _c1999
942 _2lcc
_cBK
_kCirc.
999 _c15015
_d15015