Give me few references for the chakra theory or speculation understanding!

References for chakra theory:  
- Patrick Flanagan, "Scalar Fields"  
- Valerie V. Hunt, "The Infinite Mind"  
- John Evans, "Mind Body & Electromagnetism"  
- Hiroshi Motoyama, "Chakra Nadi of Yoga & Meridian Points of Acupuncture", 1972  
- Hiroshi Motoyama, "The Ejection of Energy from the Chakra of Yoga & Meridian Points of Acupuncture", 1975  



Note: Informational purposes only; references are for further reading.

For further understanding of chakras, see the listed references above.  
- These works discuss chakras from traditional, meditative, and bio-energetic perspectives.  
- Interpretations vary, and they are primarily conceptual or experiential.  

Note: Informational purposes only; content is educational and traditional.