Porter, Darwin <br/><br/>
Frommer's Vienna & the Danube Valley / 
 Frommer's Vienna and the Danube Valley 
by Darwin Porter & Danforth Prince 
 - Hoboken, NJ :  Wiley Pub.,  2006 
 - 244 p. :  ill., maps ;  21 cm 
<br/><br/><label>ISBN: </label>0764574574 9780764574573 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Vienna--Guidebooks<br/>Danube Valley--Guidebooks