000 003640000a22001450004500
060 _a100
082 _a338.1 OBR
100 _aObrien, George
245 _aAgricultural economics
260 _aLondon, Longman, green & Co.
260 _c1929
300 _a197
650 _aAgricultural economics/agricultural products-prices/state-agriculture
942 _cBK
999 _c363936
_d363936