1 Table of Contents: “...; References; Bibliography; Chapter 6 Rooms with characteristic acoustics; 6.1 Definitions; 6.2 A brief history...”

2 Table of Contents: “...Ch. 1. Isolation shells -- ch. 2. Neutral rooms -- ch. 3. Variable rooms -- ch. 4. Live rooms...”

3 Table of Contents: “...Ch. 1. General requirements and common errors -- Ch. 2. Sound, decibels and hearing -- Ch. 3. Sound...”