| A Model for the Expansion of the Universe NP Silva Progress in Physics 10 (2), 93-97, 2014 | 9 | 2014 |
| A Closed Universe Expanding Forever NP Silva PROGRESS 10, 191, 2014 | 4 | 2014 |
| Special Relativity properties from Minkowski diagrams N Penha, B Rothenstein arXiv preprint physics/0703002, 2007 | 4 | 2007 |
| A look at Einsteins clocks synchronization N Penha, B Rothenstein arXiv preprint arXiv:0802.2066, 2008 | 1 | 2008 |
| On spacetime coordinates in special relativity N Penha, B Rothenstein arXiv preprint arXiv:0705.0941, 2007 | 1 | 2007 |
| A simple superluminal but not physical motion N Penha, B Rothenstein arXiv preprint arXiv:0707.4480, 2007 | | 2007 |
| Extending the abilities of the Minkowski spacetime diagram N Penha, B Rothenstein, D Paunescu arXiv preprint arXiv:0706.2123, 2007 | | 2007 |
