Smith, Ian,  1936- <br/><br/>
Distribution of freshwaters in Great Britain / 
Ian Smith and Alex Lyle. 
 - Edinburgh :  Institute of Terrestrial Ecology,  1979. 
 - 44p. 
<br/><br/><label>ISBN: </label>0904282252 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology--Great Britain.