aktívan Állj meg, hogy megtudd Visz justus liebig Cserekereskedelem hó Erős
Justus von Liebig - Wikipedia
Justus Freiherr von Liebig (May 12, 1803 - April 18, 1873) was a German chemist who made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry.
Justus Liebig - Simple English Wikipedia, the free encyclopedia