1. The “overdrive” mode in the complete vocal technique”: a preliminary study;Sundberg;J Voice,2017
2. Rough, Ready, and Able. London: International Music Publications IMP, Warner/Chappell; 1991.
3. McGlashan J, Sayles M, Sadolin C, et al Vocal Effects in singing: a study of intentional distortion using laryngostroboscopy and electrolaryngography. Paper presented at: The 10th International Conference on Advance in Quantitative Laryngology, Voice and Speech Research 2013; Cincinnati, Ohio, USA.
4. Complete Vocal Technique;Sadolin,2010
5. Vocal fold vibration and voice source aperiodicity in 'dist' tones: a study of timbral ornament in rock singing;Zangger Borch;Logop Phoniatr Vocol,2004