Proceedings of the First Marcel Grossmann Meeting on General Relativity:  organized and held at the International Centre for Theoretical Physics, Trieste, and Istituto di fisica teorica, University of Trieste, 7-12 July 1975/ 
edited by Remo Ruffini. 
 - Amsterdam:  North-Holland Publishing Company,  1977. 
 - xv, 671 pages:  illustrations;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0720407079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General relativity (Physics)--Congresses.