Yearbook of astronomy 1973 
edited by Patrick Moore 
 - London  Sidwick and Jackson  1972 
 - 247p. 
<br/><br/><label>ISBN: </label>0-283-97871-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>NASA Thesaurus<br/>Yearbook
<br/><br/><label>Universal Decimal Class. No.: </label>047.1:520  / MOO