Traction on the elbe and oder :  report / 
edited by M. Bellingrath and M. Dieckhoff 
 - Paris :  Imprimeric Generale Lahure,  1892 
 - 23 p. ;  26 cm. 
<br/><br/> 6th question 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction