000 00289nam a2200133Ia 4500
008 160316s1977 xxu||||| |||| 00| 0 eng d
020 _a
100 _aJohn W Goodwin
245 _aAgricultural Economics
250 _a1
260 _aVIRGENIA
_bRESTON
_c1977
300 _a372
700 _a
_a
999 _c6480
_d6480