Challenges series
Unesco
Yves Brunsvick, André Danzin ; with comments by Jacques Delors ... [et al.] ; preface by Jean Favier ; postscript by Federico Mayo
Unesco Publishing c1999 Challenges series
Available at 4 libraries
Federico Mayor
UNESCO 1995 Challenges series
Available at 2 libraries
Federico Mayor, Augusto Forti ; with contributions by R. Daudel ... [et al.] and a preface by Ilya Prigogine ; edited by Nigel Hawkes