By Zafeiris, Anna, Vicsek, Tamas
By Squartini, Tiziano, Garlaschelli, Diego
By Iohara, Kenji, Koga, Yoshiyuki
By Mendelson, Elliott, Rosen, Kenneth H.
By Douglas Jacobson
By Alan Camina, Barry Lewis
By Norman L. Biggs
By Jurgen Jost
By Alexandru Dimca
By Ravindra B. Bapat
By Gareth A. Jones, J.Mary Jones
By Simon Rubinstein-Salzedo
By Clara Loeh
By Wolfram Koepf
By Prescience Corporation
By Tipler / Vickers, M J Tipler
By Peter J. Eccles (University of Manchester)
By V. Balakrishnan
By Kosslyn, Stephen Michael
By Walker, K.
By Wang, Xiangyu
By Masys, Anthony J.
By Rob Eastaway, John Haigh
By Keedwell, A. D.
By Siemons, J.
By Biggs, Norman
By Wensley, C. D.
By Goodaire, Edgar G., Parmenter, Michael M.
By DeVellis, Robert F.
By Beaumont, GP