TY  - BOOK
AU  - Alexandersson Gunnar
AU  - Norstrom Goran
TI  - World shipping: an economic geography of ports and seaborne trade
U1  - 387.54 
PY  - 1963///
CY  - London
PB  - John Wiley
KW  - Marine transport
KW  - Shipping
ER  -