Sharma, O P <br/><br/>
Textbook of thallophytes: Algae, Fungi, Bacteria, Lichens, Viruses 

 -  TATA McGraw-Hill Publishing Co., Ltd., New Delhi  1992 
 - 365 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thallophyta; Botany
<br/><br/><label>Dewey Class. No.: </label>589  SHA-T