Author

Kurt Zwirner

2 books found

Cover of Principles of phonometrics

Principles of phonometrics

Eberhard Zwirner, Kurt Zwirner · First published 1970

Placeholder cover for Orthogonalsysteme, in denen Ivorys Theorem gilt

Orthogonalsysteme, in denen Ivorys Theorem gilt

Kurt Zwirner · First published 1927