diff -r f20b24214ac2 -r 6e30078de4f0 src/HOL/Cardinals/document/root.bib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/Cardinals/document/root.bib	Wed Sep 12 05:29:21 2012 +0200
@@ -0,0 +1,17 @@
+ @book{card-book,
+  title = {Introduction to {C}ardinal {A}rithmetic},
+  author = {M. Holz and K. Steffens and E. Weitz},
+  publisher = "Birkh{\"{a}}user",
+  year = 1999,
+  }
+
+  @article{taylor-ordinals,
+  author    = {Paul Taylor},
+  title     = {Intuitionistic Sets and Ordinals},
+  journal   = {J. Symb. Log.},
+  volume    = {61},
+  number    = {3},
+  year      = {1996},
+  pages     = {705-744},
+  bibsource = {DBLP, http://dblp.uni-trier.de}
+}