1. Mackenzie, F. T.: Our changing planet. An introduction to Earth system science and global environmental change. 2nd ed. Creator: Krekule, J. Format: bez média and svazek Type: model:article and TEXT Subject: global change Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. Theodoropoulos, D. I.: Invasion biology. Critique of a pseudoscience Creator: Krekule, J. Format: bez média and svazek Type: model:article and TEXT Subject: biology Language: Multiple languages Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public