The first two issues were published in January and September 1994, and since then it has been issued annually as a Year Book . Growth has been substantial, from 64 pages in the 1995 Year Book to 212 pages in the 1999 Edition. For the first time the 1999 Year Book is being published on the World Wide Web. This is an Index by Scientific Discipline. Papers are grouped by subject area.
Some papers are accessible under more than one grouping.