000			00542nam a22001937a 4500
020			_a0-19859461-5
040			_cUDSM
050			_aSB111.R87
082			_22nd ed.
100			_aRuthenberg, Hans _eAuthor
245			_aFarming systems in the tropics _cHans Ruthenberg
260			_aOxford : _b Clarendon Press, _c1976.
300			_axi,366p. _b: ill. _c; 23cm.
504			_aIncludes bibliographical references and index
650			_2Agricultural systems
650			_2Tropics
650			_2Farm management
942			_2lcc _cBK _n0
999			_c138016 _d138016