1. ANSI S1.112004Specification for Octave‐Band and Fractional‐Octave‐Band Analog and Digital Filters.American National Standards Institute.
2. Maximum flat digital differentiator
3. IEC 612601995Electroacoustics – Octave‐Band and Fractional‐Octave‐Band Filters.International Electrotechnical Commission.
4. IEC 61672‐12005Electroacoustics ‐ Sound level meters – Part 1: Specifications.International Electrotechnical Commission.
5. ISO 2631‐11997Mechanical vibration and shock – evaluation of human exposure to whole‐body vibration – part 1: General requirements.