Probleme globale ale omenirii
de:
Brown, Lester Russell; Pollock, C.; Kane, Hal; Brown, Lester Russell; Gardner, Gary; Flavin, Christopher; Bright, Chris; Postel, Sandra; Wolf, Edwin
(Text tipărit)
Probleme globale ale omenirii : Starea lumii 2000
de:
Brown, Lester Russell; Dunn, Seth; Abramovirz, Janet N.; Halweil, Brian; O'Meara, Molly; Renner, Michael; Roodman, David Malin; Postel, Sandra; Starke, Linda; McGinn, Anne Platt; Flavin, Christopher; Gardner, Gary; Mattoon, Ashley Tod; Bright, Chris; French, Hilary
(Text tipărit)
Probleme globale ale omenirii : Starea lumii 1996
de:
Brown, Lester Russell; Kane, Hal; Gardner, Gary; Flavin, Christopher; Postel, Sandra; Sachs, Aaron; Roodman, David Malin; Pllatt, Anne E.; Brown, Lester Russell; Bright, Chris; Abramovirz, Janet N.
(Text tipărit)
