Ninth Texas Symposium on Relativictic Astrophysics / 
edited by Jurgen Ehlers, Judith J. Perry, Martin Walker. 
 - New York, N.Y :  New York Academy of Sciences,  1980. 
 - 599p. :  ill. ;  23cm. 
 - Annals of the New York Academy of Sciences ; v. 336 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics--Congresses.<br/>General relativity (Physics)--Congresses.