FEDOROV, E.
Man and nature; the ecological crisis and social progress / [by] E.Fedorov - Moscow Progress pub. 1980 - 175 p.
Environment
Natural resources
333.7 / FED
Man and nature; the ecological crisis and social progress / [by] E.Fedorov - Moscow Progress pub. 1980 - 175 p.
Environment
Natural resources
333.7 / FED