Westbrook, Adele. Aikido and the dynamic sphere; : an illustrated introduction, [electronic resource] / by A. Westbrook and O. Ratti. Illus. by O. Ratti.. — [1st ed.]. — Rutland, Vt., : C. E. Tuttle Co., [1970]. — 375 p. : illus., facsims. 24 cm. Bibliography: p. 371. ISBN: 0804800049 9780804800044 LCCN: 69016180 Nat. Bib. No.: GB70-11259 Subjects--Topical Terms: Aikido.Aikido. LC Class. No.: GV1111 / .W42 Dewey Class. No.: 796.8/154