This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

The legacy of Alexander von Humboldt (1769–1859) looms large over the natural sciences. His 1799–1804 research expedition to Central and South America with

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

Analytik von Naturstoffen, die jeder kennt: Die Autoren dieses Bandes beschränken sich nicht auf die nüchterne Abhandlung von Daten und Verfahren, sondern erz