Taft, Robert F..
A history of the Liturgy of St. John Chrysostom. Vol. 4. The diptychs /

. - Roma : Pontificium Institutum StudiorumOrientalium,  1991 
. - 218 p.  24 cm. 
 - (Orientalia christiana analecta ; 238 )
<br/><label>  ISBN: </label>88-7210-285-5