Tropical grazing land ecosystems  a state-of-knowledge report 
prepared by Unesco/UNEP/FAO 
 - Paris  Unesco  1979 
 - 655 p. ; 32 cm. 
 - Natural resources research  16 .
<br/><br/><label>ISBN: </label>9231016113 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grazing<br/>Pastures