Das, S . K. <br/><br/>
Divine light : yoga systems with their secret techniques 

 - New Delhi:  New Age Book,  2002. 
 - 186p. 
<br/><br/><label>ISBN: </label>0881499129 9780881499124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yoga
<br/><br/><label>Dewey Class. No.: </label>613.7046