000 00300nam a2200133Ia 4500
008 160316s1980 xxu||||| |||| 00| 0 eng d
020 _a
100 _aP.D. Hebblethwaite
245 _aSeed Production
250 _a1st
260 _aLONDON
_bBUTTERWORTH & CO.
_c1980
300 _a694
700 _a
_a
999 _c14874
_d14874