TY  - BOOK
ED  - THE INSTITUTION OF CIVIL ENGINEERS
TI  - Proc. of the Institution of Civil Engineers, VOL.86,FEB.1969
U1  - 624.05 
PY  - 1969///
CY  - London
PB  - The Institution of Water Engineers
KW  -  RESEARCH WORK
KW  - CIVIL ENGINEERING
ER  -