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authorEdwin Groothuis <edwin@FreeBSD.org>2009-12-22 11:08:07 +0000
committerEdwin Groothuis <edwin@FreeBSD.org>2009-12-22 11:08:07 +0000
commit77566d4b374e823f866d8adce69b12ee74a1de1a (patch)
tree558a76a4a4883710cad86acfb593d09b9a24ffcf /zic
parent6d5c09b83d2126e7310aaa254cefd95ff59ee7f4 (diff)
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-@(#)Theory 8.3
+@(#)Theory 8.4
This file is in the public domain, so clarified as of
2009-05-17 by Arthur David Olson.
@@ -360,10 +360,10 @@ abbreviations like `EST'; this avoids the ambiguity.
Calendrical issues are a bit out of scope for a time zone database,
but they indicate the sort of problems that we would run into if we
extended the time zone database further into the past. An excellent
-resource in this area is Edward M. Reingold and Nachum Dershowitz,
-<a href="http://emr.cs.uiuc.edu/home/reingold/calendar-book/second-edition/">
-Calendrical Calculations: The Millennium Edition
-</a>, Cambridge University Press (2001). Other information and
+resource in this area is Nachum Dershowitz and Edward M. Reingold,
+<a href="http://emr.cs.iit.edu/home/reingold/calendar-book/third-edition/">
+Calendrical Calculations: Third Edition
+</a>, Cambridge University Press (2008). Other information and
sources are given below. They sometimes disagree.