1 INTRODUCTION  
2 DATA AND MOCKS  
2.1 The 2MTF and 6dFGSv surveys  
2.2 The 2MTF and 6dFGSv mock catalogues  
3 POWER SPECTRUM ESTIMATION IN REDSHIFT SPACE  
4 THE THEORETICAL MODEL OF THE POWER SPECTRUM  
5 FITTING METHOD  
6 TESTS ON SIMULATIONS  
7 RESULTS AND COMPARISON WITH GR  
8 CONCLUSION