|
||||||
 |
|
|
|
|||
 |
||||||
|
|
|
||||
|
||||||
|
|
Alexander von HumboldtKathryn M. Olesko. "Alexander von Humboldt." The Oxford Companion to the History of Modern Science. Ed. J. L. Heilbron. Oxford: Oxford University Press, 2003: 383-84 |
|
|
||
|
||||||
|
||||||
|
|
|
|
|||
|
||||||
|
|
|
||||
|
||||||
|
|
Alexander von HumboldtKathryn M. Olesko. "Alexander von Humboldt." The Oxford Companion to the History of Modern Science. Ed. J. L. Heilbron. Oxford: Oxford University Press, 2003: 383-84 |
|
|
||
|
||||||
