Exploring the universe / 
edited by Louise B. Young ;  American Foundation for Continuing Education. 
 -  McGraw-Hill,  [1971]. 
 - xii, 731 p. :  ill. ;  26 cm. 
 - American Foundation for Continuing Education. Publications. .
<br/><br/><label>LCCN: </label>62021787  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Astronomy.
<br/><br/><label>Subjects--Index Terms: </label>ასტრონომია კოსმოსი -კვლევა 
<br/><br/><label>LC Class. No.: </label>Q111  / .A5 
<br/><br/><label>Universal Decimal Class. No.: </label>524