Environment and smidak principles:
Smidak, E.F.
Environment and smidak principles: power and responsibility, action and re-action by E.F.Smidak - Switzerland Avenira foundation for research of human society 1996 - 143 18cm
Environment
363 / SMI-E
Environment and smidak principles: power and responsibility, action and re-action by E.F.Smidak - Switzerland Avenira foundation for research of human society 1996 - 143 18cm
Environment
363 / SMI-E