Roccasalvo, Joan L., C.S.J..
The Eastern Catholic Churches : an introduction to their worship and spirituality /

. - Collegeville  : The Liturgical Press,  1992 
. - 70 p.  21 cm. 
 - ((American Essays in Liturgy Series ; Series editor Edwa )
<br/><label>  ISBN: </label>0-8146-2047-7