Author:
Vaidya Vaishali,Upadhyaya G. K.
Reference10 articles.
1. R. Sharma and G. K. Upadhyaya, Study of Dark Matter in Context of Resent Observations and Experiments (Lambert Acad. Pub., Germany, 2010).
2. F. Zwicky, Helv. Phys. Acta 6, 110 (1933).
3. Rotation of the Andromeda Nebula from a Spectroscopic Survey of Emission Regions
4. Einstein et. al Prussian Acad. Wiss. Berlin (Maths, Phys.), 142 (1917).
5. A relation between distance and radial velocity among extra-galactic nebulae