Heuer, Andrew E., NGC Testing Services, United States

• Canadian Acoustics Vol. 43 No. 3 (2015) - Proceedings of the Acoustics Week in Canada
  Effects of noise flanking paths on ceiling attenuation class (CAC) ratings of ceiling systems and inter-room speech privacy
  Abstract  PDF
• Canadian Acoustics Vol. 44 No. 3 (2016) - Proceedings of the Acoustics Week in Canada
  Optimizing Ceiling Systems and Lightweight Plenum Barriers to Achieve Ceiling Attenuation Class (CAC) Ratings of 40, 45 and 50
  Abstract  PDF