Descripción
Notas:Added t.p.: International encyclopedia of unified science; editor-in-chief, Otto Neurath, associate edtor, Rudolf Carnap [and] Charles W. Morris. Foundations of the unity of science. (Volumes I-II of the Encyclopedia)
Descripción Física:III, 59 p. ; 24 cm
Bibliografía:"Selected bibliography": p. 58-59.