TY  - BOOK
AU  - De Blij,Harm J.
AU  - Birdsall,Stephen S.
TI  - Geography, regions and concepts
SN  - 0471080152
AV  - G128 DEB 1981
U1  - 910 
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Geography
N1  - Includes bibliographies and indexes
ER  -