000 00323nam a2200133Ia 4500
008 160316s1968 xxu||||| |||| 00| 0 eng d
020 _a
100 _aE. C. Hewitt
245 _aAgricultural Science
250 _a1st
260 _aLONDON
_bCROSBY LOCKWOOD & SONS LTD.
_c1968
300 _a315
700 _a D. J. Brazier
_a
999 _c34542
_d34542