Ralfs, John <br/><br/>
British desmidieae 
John Ralfs 
 - Lehre  Verlag Von J. Cramer  1972 
 - xii,226p. :ill.;23cm.- 
 - Historiae naturalis classica ;28 .
<br/><br/> Reprint of 1848 publications by Reeve, Benham, and Reeve, London 
<br/><br/><label>Dewey Class. No.: </label>589.470942  / RAL