Bento M C Et Al <br/><br/>
Classical and Quantum Gravity - Proceedings of the First Iberian Meeting on Gravity 

 -  World Scientific  WSPC  1993 
<br/><br/><label>ISBN: </label>9789814535861 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics