TY  - BOOK
AU  - Gray Norman
TI  - Student's guide to general relativity
SN  - 9781316634790 (PBK)
U1  - CN, Q9 
PY  - 2019///
CY  - New York 
PB  - Cambridge University Press    
KW  -  Energy monentum and elinsteins equations
KW  -  Manifolds vectors and differentiation
KW  -  Vectors tensors and functions
KW  - Physics
N1  - Appendix A-C, 110-147p.; References 148-149p.'; Index 150-151p
ER  -