1 INTRODUCTION  
2 DATA  
3 OPTIMIZING QSO SELECTION VIA 2QDES $^+$ WHDF  
4 VST-ATLAS QSO SELECTION  
5 SPECTROSCOPIC COMPLETENESS AND EFFICIENCY OF THE VST-ATLAS QSO SELECTION  
6 FINAL ATLAS QSO CATALOGUE  
7 ANNZ2 PHOTOMETRIC REDSHIFT ESTIMATION  
8 CONCLUSIONS  