000 00302nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4
_bJOH
100 _aJohn, Russell E
245 0 _aSoil conditions and plant growth (Cost recovered)
250 _a8
260 _bLongmans
_c1950
942 _cBK
999 _c19437
_d19437