000 00783nam a2200241Ia 4500
003 OSt
005 20220926033245.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aX9(J):9.73.N52, J2
110 _aHeady, E.O. and Olson (R.O)
_9338888
245 0 _aSubstitution Relationships, Resource Requirements and Income Variability in the utilization of for rage crops.
260 _aU.S.
_bBureau of Agriculture Economics
_c1952
300 _a868-938p.
_ccm.
490 _aResearch Bulletin 390
700 _aHeady, E.O. and Olson (R.O)
_9338889
942 _hX9(J):9.73.N52, J2
_cGB
_2CC
999 _c656539
_d656539