| Fri, 15 Apr 1994 18:43:21 +0200 | penultimate Springer draft | file | diff | annotate |
| Thu, 24 Mar 1994 18:14:45 +0100 | revisions to first Springer draft | file | diff | annotate |
| Mon, 21 Mar 1994 10:51:28 +0100 | first draft of Springer book | file | diff | annotate |