Townsend,, C.R. . <br/><br/>
Physiological Ecology /  Textual Documents 
Townsend, C.R.. 
 - Oxford :  Black well Se Publication ,  1981. 
 - 388p. :  ill ; 
<br/><br/><label>Subjects--Index Terms: </label>Botany 
<br/><br/><label>Dewey Class. No.: </label>581`6  / To 65 Ph