Tunnels & tunnelling 

 - London :  Polygon Media Ltd.,  1969- 
 - v. :  ill.;  29 cm. 
 - Monthly 
<br/><br/> UKM: v.10 (1978)- . Judul asal'Tunnels & tunnelling' sehingga isu Februari, 1997 
<br/><br/><label>ISSN: </label>0041-414X 
 = Tunnels & tunnelling Tunnels & tunnelling 
<br/><br/><label>Source: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnels--Periodicals<br/>Tunneling--Periodicals