Pranayama References

1. Coulter, D & McCall, Timothy, Anatomy of Hatha Yoga: A Manual for Students, Teachers, and Practitioners
2. Desikachar TKV, Heart of Yoga, Chapter 7 - The Bandhas
3. Farhi, D, Yoga Mind, Body & Spirit: A Return to Wholeness
4. Farhi, D,(1996) The Breathing Book,
5. Iyengar, B. K. S, (2002), Light on Pranayama.
6. Iyengar, B. K. S, (1991), Light on Yoga.
7. Jois Sri K. Pattabhi, (1999), Yoga Mala
8. Melbourne CAE (2004), Pranayama Course Notes
9. Mohan, A.G (1995). Yoga for Body Breath & Mind
10. Ramacharaka, Y., The Hindu-Yogi Science of Breath, Romford, Essex
11. Saraswati, S. N ( 2002), Prana Pranayama Prana Vidya, Yoga Publications Trust
12. Schiffmann, E, Yoga: The Spirit and Practice of Moving into Stillness.
13. Sivananda Swami (1998 & 2001) Science of Pranayama
14. Sivananda Yoga Vedanta Center, (1998), Yoga Mind & Body
    Sivananda, (2004),
15. Taimni, I (1961), The Science of Yoga 
16. Vishnu-devananda.Swami, The complete illustrated book of Yoga, http://www.sivananda.org/teachings/pranayama/kapalabhati.htm