Maass, Kurt-Jürgen.
Bridges for research: range and impact of the Humboldt Foundation /
Kurt-Jürgen Maass 
. - Bonn : Alexander von Humboldt Foundation,  1989 
. - 86 p.  ill., tab., schem.  21 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Alexander von Humboldt Foundation