21. Photosynthetica: International Journal for Photosynthesis Research Type: issue, normal, model:periodicalitem, and TEXT Language: Multiple languages Description: 1-2 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
22. Schwarzenbergischer Almanach Type: issue, model:periodicalitem, and TEXT Language: German Description: 1 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public