Brown, E. S. <br/><br/>
Life in fresh water / 
by E. S. Brown 
 - London :  The University Press,  1955 
 - 64 p. :  ill. ;  23 cm. 
 - Oxford visual series ;  [6] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology