Foreword. Einstein, A. In Concepts of Space: the history of theories of space in physics. Dover, New York, NY, USA, Third edition, 1993. See also earlier editions i̧teEinstein:1954:F,Einstein:1969:F.
bibtex   
@InCollection{Einstein:1993:F,
  author =       "Albert Einstein",
  editor =       "Max Jammer",
  booktitle =    "Concepts of Space: the history of theories of space in
                 physics",
  title =        "Foreword",
  publisher =    pub-DOVER,
  address =      pub-DOVER:adr,
  edition =      "Third",
  bookpages =    "xvii + 261",
  year =         "1993",
  ISBN =         "0-486-27119-6",
  ISBN-13 =      "978-0-486-27119-4",
  LCCN =         "QC6 .J3",
  bibdate =      "Sat Jul 17 14:04:32 2010",
  bibsource =    "http://www.math.utah.edu/pub/tex/bib/einstein.bib",
  note =         "See also earlier editions
                 \cite{Einstein:1954:F,Einstein:1969:F}.",
  acknowledgement = ack-nhfb,
  Calaprice-number = "288b",
}

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