Wallis, Earl L. Isometric exercises for figure improvement and body conditioning [electronic resource] / [by] Earl L. Wallis and Gene A. Logan.. — Englewood Cliffs, N.J., : Prentice-Hall, [c1964]. — 1 v. : illus. 28 cm.




Exercise.
Isometric exercise.
Physical fitness.
Gymnastiek.

RA781 / .W32

613/.71 796.41