TY  - BOOK
ED  - Pacem In Maribus XVIII. 
ED  - International Ocean Institute. 
TI  - Trade directory : : ports as 'nodal points' in a global transport system / 
U1  - 387.1 23
PY  - 1990///.
CY  - Valletta, Malta : 
PB  - International Ocean Institute, 
KW  - Ports.
KW  - Multimodal transport.
KW  - Transport Systems
ER  -