Tunnels & tunnelling International =  T&T International 
 Tunnels and tunnelling International  T & T international 

 - London :  Global Trade Media,  1997- 
 - v. :  ill.;  29 cm. 
 - Monthly 
 - January 2013- 
<br/><br/> UKM : January 2013- 
<br/><br/><label>ISSN: </label>1369-3999 
 = Tunnels & tunnelling International =  T&T International 
<br/><br/><label>Source: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnels--Periodicals<br/>Tunneling--Periodicals