@misc{[Boussingault_Jean-Baptiste_(1802-1887)]_Observations, author={[Boussingault, Jean-Baptiste (1802-1887)] and Humboldt, Alexander von (1769-1859)}, howpublished={online}, language={fre}, title={Observations faites aux Llano du Meta (Manuskripttitel)}, type={rękopis}, keywords={rękopisy}, }