1. INTRODUCTION

2. RADIAL VELOCITY OBSERVATIONS AND TARGET STARS

3. HD 31253 (HIP 22826)
3.1. Stellar properties
3.2. Keplerian solution

4. HD 218566 (HIP 114322)
4.1. Stellar properties
4.2. Keplerian solution

5. HD 99492 (HIP 55848)
5.2. Keplerian solution

6. HD 99492 (HIP 55848)
6.1. Stellar properties
6.2. Keplerian solution

7. HD 74156 (HIP 42723)
7.1. Stellar properties
7.2. Keplerian solution

8. CONCLUSIONS