Macan, T. T. <br/><br/>
Life in lakes and rivers / 
by T. T. Macan and E. B. Worthington 
 - 3nd ed. 
 - London :  Collins,  1974 
 - 320 p. :  ill. ;  23 cm. 
 - New naturalist; a survey of British natural history 56 .
<br/><br/>Bibliography: p. 300-305. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology<br/>Lakes--Great Britain