00469nam a2200133Ia 4500008004100000082001800041100002400059245008600083260005000169300001200219490004500231600002300276650003600299140224s9999    xx            000 0 und d  a631.17(81) K9  aClements, Harold M.  aThe mechanisation of agriculture in Brazil; a sociological study of Minas Gerais.  aGainevillebUniversity of Florida Pressc1969  aix,92p.  aLatin American Monographs  Second Series  aHarold M. Clements  aAgricultural innovations-Brazil