000			00419nam a2200145Ia 4500
008			220204s9999 xx 000 0 und d
082			_a338.43.01(100.23) _bUPT
100			_aUpton, Martin
245		4	_aThe Economic of tropical farmi ng system
260			_aGreat Britain _bCambridge University Press _c1996
650			_aFarm planning
650			_aFarming system
650			_aRural resource economics
942			_cBK
999			_c41762 _d41762