Odum, E.P. <br/><br/>
Fundamentals of ecology 
Eugene P. Odum. 
 - 3rd ed. 
 - Dehradun  Natraj Publishers  1971 
 - xiv, 574p., ill.; 28cm. 
<br/><br/><label>Dewey Class. No.: </label>574.5  / O21F