000 00302nam a2200133Ia 4500
008 160316s1953 xxu||||| |||| 00| 0 eng d
020 _a
100 _aW.Lawrence Balls
245 _aThe Yields Of A Crop
250 _a1st
260 _aLONDON
_bE.& F.N.SPON.LTD.
_c1953
300 _a144
700 _a
_a
999 _c33640
_d33640