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The American environment
Mead, William Richard, (1974)
Small is beautiful : economics as if people mattered
Schumacher, Ernst F., (1973)
The ecology of man: an ecosystem approach
Smith, Robert Leo, (1972)
Grundsätze und Probleme der Genossenschaftsbewegung
Stolpe, Herman Albert, (1949)
Sveriges Utrikes- och försvarspolitik
Stolpe, Herman, (1966)
Financing of cooperative activities
Tronêt, Bertil, (1966)