000 00254 a2200121 4500
080 _a630
_bS 697 A
245 1 _aAgriculture
_cby Sommerville
260 _aLondon
650 _aAgriculture
100 1 _aSommerville
_d
300 _a255 p.
901 _a73048
999 _c40762
_d40762