You must relax; a practical method of reducing the strains of modern living.

You must relax; a practical method of reducing the strains of modern living.

Bibliographic Details
Main Author: Jacobson, Edmund 1888
Format: Book
Language:English
Published: New York McGraw-Hill 1962.
Edition:4th ed., rev. and enl.
Subjects:
Relaxation.
Nervous system > Hygiene.