SIGNI :  signs and signals on inland waterways / 
United Nations . 
 - New York :  Economic Commission for Europe, Inland Transport Commi ttee 
 - 61 p. :  ill., (col.) ;  30 cm. 
 - Economic Commission for Europe .
<br/><br/> Resolution No. 22, Revision 2 
<br/><br/><label>ISBN: </label>9789211170481 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waterways.<br/>Inland water transport.