01027cam a2200217 4500 100375702 TxAuBib 20110420120000.0 |||||||||||||||||||||||||||||||||||und|u 5041 LibriVox TxAuBib Einstein, Albert. Sidelights on Relativity [LibriVox] / Einstein, Albert. 2 sound files : digital, MP3 or Ogg files. This is an online free audiobook and is compatible in most MP3 and iPod players. The text for this LibriVox audiobook came from public-domain text. Sidelights on Relativity contains ETHER AND THE THEORY OF RELATIVITY, an address delivered on May 5th, 1920, in the University of Leyden; and GEOMETRY AND EXPERIENCE, an expanded form of an address to the Prussian Academy of Sciences in Berlin on January 27th, 1921. (Intro from Project Gutenberg.) In MP3 and Ogg vorbis format. Electronic audiobooks. LibriVox.org. http://librivox.org/rss/5041