Cum gravity
Subtitle: living with gravity
By: R. Manatt Martin ; photography by Clem Inskeep, ill. by Bob Marley.
Edition: 1st ed.
Publisher: Essential Pub. Co.
Published: 1975
Place of publication: San Marino, Calif
Language: eng
Number of pages: 129
Subjects: Posture.; Exercise.; Gravity -- Physiological effect.