Distributional index of the benthic macroalgae of the Baltic Sea area / 
edited by Ruth Nielsen. 
 -- Helsinki :   Societas pro Fauna et Flora Fennica,   1995 
 - 51 p. -- 
 (Acta Botanica Fennica, ISSN 0001-5369  ; 155).
<br/><br/>ISBN 951-9469-49-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algas<br/>Báltico
<br/><br/><label>Universal Decimal Class. No.: </label>582.26