TY - GEN ID - 75369904 TI - Space and time in contemporary physics : an introduction to the theory of relativity and gravitation PY - 1920 PB - Oxford Clarendon DB - UniCat KW - Theory of relativity. Unified field theory UR - https://www.unicat.be/uniCat?func=search&query=sysid:75369904 AB - ER -