=LDR 22 4500 =001 2191 =082 04$a387 COU =100 1\$aCouper, Alastair D. =245 10$aThe geography of sea transport =260 \\$aLondon :$bHutchinson,$c1972 =650 \0$aBooks =852 \\$bFreeman Library$h387 COU