TY  - BOOK
AU  - De Blij,Harm J.
AU  - Muller,Peter O.
TI  - Geography: regions and concepts 
SN  - 0471518506
U1  - 910 23
PY  - 1991///
CY  - Chichester
PB  - Wiley
KW  - Geography
N1  - Includes bibliographical references; Main work - Study guide
ER  -