| Author: | Lankow, Edward |
| Subject: | QP, Voice culture, Respiration |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The New Science of Controlled Breathing, Vol. 1 (of 2) : The Secret of Strength, Energy and Beauty—Through Breath Control [electronic resource] / Edward Lankow |