Well, this looks like rubbish to me.
No hits on Google for the phrase (with or without the hyphen).
Jeff Knaggs 16:21, 23 Dec 2004 (UTC)
According to Richard Wolfson, it's true. Try amazon's search inside feature here:
Once you get to the text, there'll be a search bar at the top. Try "space time conversion". It should be on pages 169 and 170.