Study of second Severn crossing :  final report, July 1986 / 
Second Severn Crossing Group. 
 - London :  Department of Transport,  1986. 
 - 2 v. 
<br/><br/><label>ISBN: </label>0115507752 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Severn River (Wales and England)--Bridges.