TY  - BOOK
AU  - 
AU  - 
TI  - Institution of Civil Engineers Proceeding
U1  - 624 (051) 
PY  - 1981///
CY  - London
PB  - Thomas Telford
KW  - Institution of Civil Engineers Proceeding
N1  -  Pt.2: REacerch and Theory v. 71 June 1981
ER  -