TY  - BOOK
AU  - Couper A D
TI  - The  Geography of sea transport
SN  - 0091128501
U1  - U6425, L2 
PY  - 1972///
CY  - London
PB  - Hutchinson UK         
KW  - Trade Routes
N1  - Bibliography :end of each chapter.Glossary:P15-17; Index:P205-08
ER  -