Versnel, H. S..
Ter Unus: Isis, Dionysos, Hermes : three studies in henotheism /

. - Leiden : E.J. Brill,  1990 
. - xiv, 267 p.  24 cm. 
 - Studies in Greek and Roman religion  v. 6 .
<br/><label>  ISBN: </label>90-04-09266-8