1. Wolfgang Harich’s Marxist ecology Creator: Heyer, Andreas and Schoenfeld, Julian Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. World revolution now: on the latest publication of the Club of Rome Creator: Harich, Wolfgang and Schoenfeld, Julian Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public