Sivananda, Swami <br/><br/>
Tantra yoga nada yoga and kriya youga 

 - U.P.  The Devine Life Society  1994 
 - 162 
<br/><br/><label>ISBN: </label>81-7052-042-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hinduism--Philosophy--Yoga<br/>Philosophy--Yoga<br/>Yoga-- Tantra, nada and kriya