Mineral imbalances in cattle in the Amazon Valley :  the mineral supply of cattle in relation to landscape, vegetation and soils / 
by P. Sutmoller ... (et. al) 
 - Amsterdam :  Koninklijk Instituut voor de Tropen,  1966 
 - xviii, 133 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cattle--Amazon