| Thu, 11 May 1995 10:38:30 +0200 | lcp | Indexing of FILTER and COND | file | diff | annotate |
| Fri, 22 Apr 1994 18:18:37 +0200 | lcp | final Springer copy | file | diff | annotate |
| Fri, 15 Apr 1994 17:16:23 +0200 | lcp | penultimate Springer draft | file | diff | annotate |
| Mon, 21 Mar 1994 11:02:57 +0100 | lcp | first draft of Springer book | file | diff | annotate |
| Wed, 10 Nov 1993 05:00:57 +0100 | lcp | Initial revision | file | diff | annotate |