Macan, T. T. <br/><br/>
Life in lakes and rivers 
by T.T.Macan and E.B.Worthington 
 - 3rd ed. 
 - London  Collins  1974 
 - 320p.:col.,ill. ; 22cm.- 
 - New naturalist .
<br/><br/> diagras 
<br/><br/><label>Dewey Class. No.: </label>574.52632  / MAC