The ESO user's manual 
edited by Anthony C. Danks                                      
 - Germany  European Southern Observatory  1981 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Manual-Observatories<br/>Observatories-Manuals
<br/><br/><label>Universal Decimal Class. No.: </label>520.2(021)  / ESO