Proceedings of the Second Marcel Grossmann Meeting on General Relativity, organized and held at the International Centre for Theoretical Physics, Trieste, 5-11 July, 1979 / 
edited by Remo Ruffini. 
 - Amsterdam :  North-Holland Publishing Company,  1982. 
 - 2 v. ;  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0444863575 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General relativity (Physics)--Congresses.