T Pullaiah, S <br/><br/>
Freshwater diatoms from the St. Lawrence River (Bibliotheca Diatomologica, Band 41) 

 -  Borntraeger Science Publishers (Supplied by Bishen Singh Mahendra Pal Singh, Dehradun)  1998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants and Diatoms