The Binary Pulsar — Physical Processes, Possible Companions, And Evolutionary Histories
Possible evolutionary histories are discussed. The most probable present system consists of two neutron stars, the end result of an X-ray binary phase followed by a double core star phase.
Mechanism for inducing synchronous rotation and small eccentricity in close binary systems
W.H. Press, L. Smarr, and P. Wiita, Astrophysical Journal Letters, 202, L135-L137 (1975).
The Structure of General Relativity with a Numerical Illustration: The Collision of Two Black Holes
L. Smarr Ph.D. Dissertation, University of Texas at Austin (1975). Ph.D. Advisor Bryce S. DeWitt (Deceased).
Maximally Slicing a Black Hole
F. Estabrook, H. Wahlquist, S. Christensen, B. DeWitt, L. Smarr and E. Tsiang, Physical Review D7, 2814-2817, (1973).
Surface Geometry Of Charged Rotating Black Holes
L. Smarr, Physical Review D7, 289-295. (1973).