By Morgan, W. J., Gu, Qing, Li, Fengliang
By George, Vic, Howards, Irving
By Kenneth Button
By Scott, John
By Pearce, David, Barbier, Edward B., Markandya, Anil
By Atkinson, Giles, Dubourg, Richard, Hamilton, Kirk, Munasinghe, Mohan, Pearce, David, Young, Carlos
By Towse, Ruth
By Sengupta, Jati K.
By Rafael Leal-Arcas
By Morhart, Felicitas, Wilcox, Keith, Czellar, Sandor
By A.P. Thirlwall
By Papatheodorou, Andreas
By Berthoud, Richard, Iacovou, Maria
By Sundbo, Jon, Darmer, Per
By Ashton, David, Green, Francis
By Nigel D. White
By Oates, Wallace E.
By Storey, John
By Middleton, Roger
By Casson, Mark
By David Alexander Clark
By The Late Roy W. Jastram, Jill Leyland
By Corallo, Angelo, Passiante, Giuseppina, Prencipe, Andrea
By Rydin, Yvonne, Falleth, Eva
By King, J. E.
By Johnson, Peter
By Barnes, Pamela M., Barnes, Ian G.
By Galli, Giampaolo, Pelkmans, Jacques
By Clement, Norris C., del Castillo Vera, Gustavo, Gerber, James, Kerr, William A., MacFadyen, Alan J., Shedd, Stanford, Zepeda, Eduardo, Alarcon, Diana