00517nam a2200169Ia 4500008004100000082001500041100002100056245005700077250001200134260002600146300001300172600001900185650002400204942000700228952009500235999001700330140224s9999    xx            000 0 und d  a63(213) M1  aWrigley, Gordon.  aTropical agriculture: the development of production.  a4th ed.  aLondonbLongmanc1981  axv,496p.  aGordon Wrigley  aAgriculture-Tropics  cBK  00104070aKSDbKSDd2014-02-24l0o63(213) M1p3576r2014-02-24 00:00:00w2014-02-24yBK  c97010d97010