1. INTRODUCTION

2. A SURVEY BASED ON ATLAS AND SKYMAPPER COLORS

2.1. ATLAS Color Selection

2.2. SkyMapper Color Selection

2.3. Observations

2.4. Radial Velocity and Orbital Fits

2.5. Stellar Atmosphere Fits

2.6. ELM WDs in ATLAS+SkyMapper

2.7. sdAs in ATLAS+SkyMapper

2.8. Survey Efficiency

3. GAIA PARALLAX BASED SELECTION

3.1. Results

3.2. Survey Efficiency

4. SUMMARY AND CONCLUSIONS