Yogasutras of patanjali on concentration of mind 
Fernando Tola and Carmen Dragonetti ; ranslated into English from the revised original Spanish by  K. D. Prithipaul 
 - Delhi  Motilal Banarsidass  1987 
 - xxv,200p.;  23cm. 
<br/><br/><label>Dewey Class. No.: </label>181.452  / TOL