ISBN 9783945561317 books & textbook
Quantum Gravity in the First Half of the Twentieth Century: A Sourcebook - Max Planck Research Library for the History and Development of Knowledge - Sources 10
Max-Planck-Gesellschaft zur Förderung der Wissenschaften /2018-01-01 Hardcover
isbn-10: 3945561310 / isbn-13: 9783945561317
