The authoritative guide you are looking for is by Leon Chaitow, Dinah Bradley, and Christopher Gilbert.

Psychological and emotional variables; Patterns of breathing dysfunction in hyperventilation.

What are BPDs; The structure, function, and biochemistry of normal breathing; Nasal influences.

Dynamic Neuromuscular Stabilization (DNS) methods; Osteopathic and physiotherapeutic checks; Psychological evaluations; Capnography.