By Mary Kaldor
By Holger Bernt Hansen
By P. Seib
By J. Headley, A. Reitzig, J. Burton
By John Baylis
By E. Chew
By M. Schnurr, L. Swatuk
By S. Quackenbush
By Sandra Forty
By E. Gross
By H. Footitt, M. Kelly
By T. Boghardt
By C. Peters
By E. Hotta
By Leon Hadar
By R. Branche, F. Virgili
By H. Edstroem, J. Matlary, M. Petersson
By Benjamin Runkle
By Aletta Mondre
By Gabriella Lazaridis, Khursheed Wadia
By P. Sand
By D. Francis
By R. Ginsberg, S. Penksa
By D. Isachenko
By D. Elliott
By Gilbert, Martin
By G. Shiffman, Kenneth A. Loparo
By M. Freire, R. Kanet
By I. Eulriet
By M. Morgan, Kenneth A. Loparo