Space and geometry; in the light of physiological, psychological and physical inquiry.
Mach, Ernst, 1838-1916.
Space and geometry; in the light of physiological, psychological and physical inquiry. - 148 p. illus. 20 cm.
Space perception.
Geometry--Foundations.
Space and geometry; in the light of physiological, psychological and physical inquiry. - 148 p. illus. 20 cm.
Space perception.
Geometry--Foundations.