Quasi-Stellar sources and gravitational collapse. Including the proceedings of the first Texas symposium on relativistic astrophysics ... [sponsored by the Southwest Center for Advanced Studies, the University of Texas and Yeshiva University] /
Southwest Center for Advanced Studies (Dallas, Texas)
Robinson, Ivor.
Schild, Alfred.
Schucking, E. L.
Chicago & London, 
1965.
[With a bibliography.]