TY  - BOOK
AU  - Permanent Internatinol Assioction of Navigation Congresses
AU  - 
TI  - Inland & Maritime Water & Ports; Design- Construction- Operation
U1  - 626. 1 PIA. I.3 
PY  - 1981///
CY  - Oxford
PB  - Pergamon Press
KW  - Inland & Maritime Water & Ports; Design- Construction- Operation
N1  -  xxv Internatinol Navigation Congress, Edinburge, May, 1981
ER  -