IFAC '96 on CD-ROM ================== The idea of putting the material of IFAC congresses and symposia on CD-ROMs (compact optical disks), instead of paper, first came up in 1991 but, at that time, it seemed too farfetched. Then the ten heavy volumes of the Sydney Congress Preprints indicated that something needed to be done. Meanwhile, computers with CD-ROM readers became more affordable. So the National Organizing Committee of the San Francisco Congress gave the matter some serious consideration - and concluded that, by 1996, the time may be ripe for this innovation. Two questions, though, needed to be answered. The first, whether it was not just the biased perception of a bunch of Americans that CD-ROM readers are available at most places of the world where control engineers want access to the congress papers. The second, how the serious session-goer could be provided with the papers of his/her interest at the congress. The idea that computers on the sport could print out individual papers for everybody, according to personal wishes, was deemed premature. Instead, it was suggested that printed volumes should also be produced, arranged by technical subjects, and each participant should be able to choose a small subset of those volumes. By the kind assistance of the TB Chairman, Vladimir Kucera, members of the Technical Board and Chairmen of the Technical Committees were polled on these questions and replies were received from 30 persons. About two thirds felt that the control engineering community was getting ready for CD-ROMs while an overwhelming majority considered it necessary that a selection of printed volumes be provided as well. Our friends at Elsevier were kept informed during the whole process and were invited at an early stage to participate. After some initial hesitation, they became enthusiastic supporters of the idea and are now ready to actually prepare and market the CD-ROMs. As a result of all these discussions, the following arrangements are now in place for the 1996 Congress: 1.The full material of the Congress, estimated at about 8000 pages, will be replaced on CD-ROMs. The disks will be prepared from the usual camera-ready manuscripts by optical scanning. They will contain their own table of contents, authors' index and subject (keyword) index and will be readable under the three major operating systems (DOS, MAC and UNIX). Each full paying participant of the Congress will receive a copy as part of the registration package. Student participants, who pay a reduced registration fee, will be able to buy a copy at the Congress site. Copies provided to the Congress participant will carry a single user licence. The same CD-ROMs will be marketed by Elsevier after the Congress, as the official Congress Proceedings; these Proceedings copies will carry a library (multiple user) licence. 2. The full material will also be printed, the usual way from camera-ready manuscripts. The printed papers will be arranged in about 15 'subject volumes', each volume containing a thematically coherent part of the material. Congress participants will receive, as part of their registration package, two volumes of their choice and may purchase additional volumes for extra payment. Volume choices made at preregistration will be guaranteed while on-the-spot selections will be satisfied as long as the stocks permit. In addition to the subject volumes, there will be a Plenary and Index Volume that every participant will receive. This will contain the plenary papers, the table of contents, authors' index and subject (keyword) index for the full set of the subject volumes, and instructions concerning the use of the compact disks. The organizers and the publisher do hope that the significant extra effort needed to implement this scheme will pay off, in terms of the satisfaction of the congress participants and of the entire control engineering community. They also trust that what is an experiment today will prove to be the wave of the future. Janos Gertler Chairman, IFAC Publications Managing Board Publications Manager, IFAC '96 NOC .