@book{UBHD-1042416, author={Roemer, Angelika}, title={The St. Lawrence Seaway, its ports and its hinterland}, publisher={Selbstverl. d. Geograph. Inst.}, address={T{\"u}bingen}, year={1971}, pages={X, 235 S.}, language={ger}, number={ARRAY(0x5568b676e0b8)}, series={T{\"u}binger geographische Studien}, school={Teilweise zugl.: T{\"u}bingen, Univ., Diss., 1969}, library={UB [Signatur: 72 B 3426] ; GG [Signatur: <GG> A 80 a::43]}, }