000 00302nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.45.631.8 K7
100 _a"Cooke, G.W."
245 _aControl of soil fertility
260 _a1967
_bE.L.B.S. & Crosby
_cLondon
300 _a526
942 _cBK
999 _c56880
_d56880