Part I: Historical Developments -- Historical Developments and the Present State-of-the-Art -- Part II: Principles and Fundamentals -- AR Fundamentals and Associated Sciences -- Principles of Object Tracking and Mapping -- Part III: Software Toolkit and Techniques -- AR Software Development and Techniques -- Commercial AR Tools -- Part IV: Hardware and Peripherals -- Hardware and Peripherals -- Display Systems -- Tracking Systems -- Input Systems -- Part V: Application Areas -- Arts and Crafts -- Advertising -- Sports -- Tourism -- Education and Training -- Environment -- Fashion and Design -- Navigation and Guidance -- Architecture, Building and Archaeology -- Assistive Technologies and Rehabilitation -- Engineering and Science -- Logistics and Transportation -- Maintenance and Repair -- Medical and Surgery -- Military and Warfare -- Part VI: Content and Interface Development -- User Interface Development -- Part VII: Convergence with Emerging Technologies -- Internet of Things -- Industry 4.0, Digital Twin.