000 00294 a2200121 4500
080 _a63
_bH 153 A
245 1 _aAgriculture
_bA new approach
_cby P.H. Hainsworth
260 _aLondon
_c1954
650 _aAgriculture
100 1 _aHainsworth, P.H.
_d
300 _a247 p. & 12 pls.
901 _a50970
999 _c40637
_d40637