00305nam a2200121 a 450000500170000002000150001708200160003210000140004824500360006225000130009826000450011130000270015620251203110046.0  a0486607690  a530.11bBOR  aBorn, Max  aEinstein's theory of relativity  aRev. ed.  aNew YorkbDover Publications, Inc.c1965  avii, 376p.c23 cm P.B.