Softcover reprint of the original 1st ed. 1931

1. Januar 1931

Springer / Springer Berlin Heidelberg / Springer, Berlin

978-3-642-90391-5

Softcover reprint of the original 1st ed. 1924

1. Januar 1924

Springer / Springer Berlin Heidelberg / Springer, Berlin

978-3-642-90392-2