00377nam a2200121Ia 450000500170000000800410001702000220005805000140008010000210009424500670011526000400018265000330022220251229085702.0251229s9999    xx            000 0 und d  a978-0-340-19766-0  aSF 85 .P7  aPratt, D J (ed.) 0aRangeland management and ecology in East AfricacD J (ed Pratt  aLondonb Hodder and Stoughtonc1977  aRangeland Management-Ecology