Addendum

Chapters

1 introduct.
2. Einstein solutions

3. aspects of relativity

4. geodesic equations

5. general Yilmaz theory

Appendices

A. blackbody formulas

B. Einstein tensor

C. energy momentum tensor

D. geodesic formulas
E. apparent distance

F. tensors, stress-energy 

G. Causes of redshift

H. bibliography