Building Operating Management, Feb. 2014, by Steven Mesh.
http://www.facilitiesnet.com/lighting/article/Advanced-Lighting-Controls-Offer-Better-Control-More-Energy-Savings--14717

A 5-part article:
Pt. 1 - Advanced Lighting Controls Offer Better Control, More Energy Savings
Pt. 2 - Commissioning Advanced Lighting Controls Is Critical To Maximizing Their Benefits
Pt. 3 - Advanced Lighting Controls Offer Greater Automated Load Shedding Capability
Pt. 4 - What To Keep In Mind When Considering Advanced Lighting Controls
Pt. 5 - How Facility Managers Can Implement Advanced Lighting Control Systems