000 00338 am a2200121 a 4500
100 1 _aPerkins, A.J.
245 1 _aOur wheat growing areas-profitable and unprofitable
260 _aAdelaide
_c1936
300 _a1-24 p.
942 _2udc
_cB
440 _aWheat South Australia Department of Agriculture. Bulletin No. 312
901 _aS50912
999 _c108228
_d108228