000 00381nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.43
_bSOI
245 0 _aSoil physical conditions and crop production.
260 _aLondon
_bHMSO
_c1975
490 _aUnited Kingdom, Ministry of Agriculture, fisheries and food, technical bulletin; 29
650 _aSoil science
942 _cBK
999 _c24442
_d24442