The foundations of Einstein's theory of gravitation
By: by Erwin Freundlich.  Authorised English translation by Henry L. Brose, preface by Albert Einstein, introduction by H. H. Turner.
Contributors: Einstein, Albert, 1879-1955.
Publisher: The University press
Published: 1920
Place of publication: Cambridge
Language: eng
Number of pages: 60
Subjects: Gravitation.; Relativity (Physics)