1. Hoffmann, P., Knobloch, D., Kämpfe, L., Meißner, K., Schenke, G., Schöneich, J., Schröder, H., Sedlag, U., Heinrich, D., in co-operation with Gemeinhardt, H.-D., Heinzel, K., König, I., Schleicher, S.: Biologie. Lehrbuch für Sekundarstufe II Creator: Čatský, 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