Heck, A <br/><br/>
International Directory of Astronomical Associations and Societies 
A. Heck and J. Maneroid 
 - France  Centre De Donnees Stellaires  1986 
 - iv, 266p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Directory-Associations<br/>Directory-Astronomical Sciences
<br/><br/><label>Universal Decimal Class. No.: </label>058:2  / HEC