Brandies univ. summer institute in theoritical pysics,1968 <br/><br/>
Astrophysics and general relativity  V.1 
ed. by M.Chretien [et al] 
 - New york  Gordon & Breach Science Publishers  1969 
 - x, 300p. 
<br/><br/><label>Dewey Class. No.: </label>523.01  / N691.1