Author

Wolf-Gerald Koch

2 books found

Cover of Medicinal herbs

Medicinal herbs

Wolf-Gerald Koch, Claus O. Tschirch, Helmut Brinkmann · First published 2005

Cover of Medicinal Herbs

Medicinal Herbs

Beatrice Gehrmann, Wolf-Gerald Koch, Claus O. Tschirch, Helmut Brinkmann · First published 2005