Sauer Tilmann

General Relativity in the Making: Einstein's Zurich Notebook, Introduction and Source (Boston Studies in the Philosophy of Science / The Genesis of General Relativity)  Michel Janssen Jurgen Renn John Norton Sauer Tilmann John Stachel Hardcover. Springer, 2006-07-30 ISBN 9781402039409     General Relativity in the Making: Einstein's Zurich Notebook, Commentary and Essays (Boston Studies in the Philosophy of Science / The Genesis of General Relativity)  Michel Janssen Jurgen Renn John Norton Sauer Tilmann John Stachel Hardcover. Springer, 2006-07-15 ISBN 9781402039423