By Ludwig Huber
By Helen Mitchell
By Thomas H. Lowry, Kathleen Schueller Richardson
By Isaac Ghebre-Selassie (MEGA Pharmaceuticals, Morris Plains, New Jersey, USA)
By Deasy, P.B.
By J. Szejtli
By Philip Wasserman
By Ray Meddis
By Duchene, Dominique
By Author M. Unknown
By R.C. Weimer
By Rebecca J. Elliott (University of Utah, USA)
By Phil Mason
By Yates, J.C.
By Stroud, K. A., K. A. Stroud
By Geoff Der (University of Glasgow, Scotland, UK), Brian S. Everitt (King's College, University of London
By J. L. Meriam
By Robert P. Bauman (University of Alabama, USA)
By S Amini
By J. Jost (Max Planck Institute for Mathematics in Science, Leipzig, Germany)
By G. Bachman, Lawrence Narici
By Serge Lang
By Juan-Pablo Ortega, Tudor S. Ratiu
By Calvert, J R, Farrar, Roy
By Fionn Murtagh, Andre Heck
By Chris Ellis
By Robert Charles Geary, John Ervine Spencer
By Hodges, David
By Jonathan Wood