Conservation medicine  ecological health in practice 
ed by A Alonso Aguirre, Richard S Ostfeld, Gary M Tabor et al 
 - Oxford  Oxford university press  2002 
 - xxiv, 407p. 
<br/><br/><label>ISBN: </label>0195150937 
<br/><br/><label>Dewey Class. No.: </label>615.902  / P022