TY  - BOOK
AU  - Alexandersson, Gunnar
AU  - Norstrom, Goran
TI  - World shipping: an economic geography of ports and sea borne trade
U1  - 387 
PY  - 1963///
CY  - New York
PB  - John Wiley & Sons
KW  - Shipping
KW  - Horbors
KW  - International economic relations
ER  -