On Thu, 21 Apr 2005 20:09:33 +0200, "R Yochanan Bitan Buth" <ybitan at mscc.huji.ac.il> said: > The book by G. Horrocks in the footnotes may be too detailed but is > excellent. Unfortunately, it seems to be Out of Print. James Tauber -- James Tauber http://jtauber.com/ journeyman of some http://jtauber.com/blog/