1. Porteous, A.: Dictionary of environmental science and technology. 3rd ed. Creator: Jeník, J. Format: bez média and svazek Type: model:article and TEXT Subject: world´s environment Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. Schulze, E.-D. (ed.): Carbon and nitrogen cycling in European forest ecosystems Creator: Jeník, J. Format: bez média and svazek Type: model:article and TEXT Subject: forest ecosystems Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
3. Sverdrup, H. Sternquist, I. (ed.): Developing principles and models for sustainable forestry in Sweden Creator: Jeník, J. Format: bez média and svazek Type: model:article and TEXT Subject: forestry Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
4. Thomas, P. A.: Trees: their natural history Creator: Jeník, J. Format: bez média and svazek Type: model:article and TEXT Subject: tree biology Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public