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003 OSt
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007 ta
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024 _a29601
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aJ.1, L4
100 _aGrigg D B
_9596376
245 0 _cGrigg D B
_aAgriculture systems of the world
_b An evolutionary approach
260 _aLondon
_bCambridge
_c1974
300 _a358p
_ccm.
490 _a(Cambridge Geographical studies,5)
650 _aAGRICULTURE
942 _hJ.1, L4
_cTEXL
_2cc
999 _c959330
_d959330