000 00284 a2200121 4500
080 _a633.11
_bP 429 W
245 1 _aWheat in Great Britain
_cby John Percival
260 _aLondon
_c1943
650 _aWheat
100 1 _aPercival, John
_d
300 _a125 p. & 63 figs.
901 _a17252
999 _c47282
_d47282