Sanz, J. L. <br/><br/>
Observational And Theoretical Aspects of Relativistic Astrophysics And Cosmology:  Proceedings of the International Course held ot Santander, Spain, September 3-7, 1984 
/ edited by J. L. Sanz 
 - Singapore;  World Scientific Publishing Co. Pte. Ltd.:  1985. 
 - ix, 352p. 
<br/><br/><label>ISBN: </label>9971978199 
<br/><br/><label>Dewey Class. No.: </label>523.1  / SAN/O