By G. Preparata
By Thomas Linehan
By K. Howell
By D. Gerber, A. Kraut
By M. Baimbridge, J. Harrop, G. Philippidis
By C. Kaunert, K. Zwolski
By E. Welty, M. Bolton, M. Nayak, C. Malone
By H. Kriesi, D. Bochsler, J. Matthes, S. Lavenex, M. Buhlmann
By P. Levin
By Dimitar Bechev
By K. Laybourn, D. Taylor
By H. Pautz
By M. Setala, T. Schiller
By C. Gormley-Heenan
By M. Bennister
By J. Lodge
By D. Butler
By C. Cook
By Michael Sullivan
By M. Miller, B. Stefanova
By L. Panitch, M. Konings
By M. Cragoe, P. Readman
By James O'Brien
By Riitta Jallinoja, E. Widmer
By W. Pojmann
By A. Thomson
By I. Grigoriadis
By P. Marginson, K. Sisson
By L. Zhang
By I. Hussain