TY  - BOOK
AU  - De Blij, Harm. J.
AU  - Stephen, S. Birdsall and Hans, J. Stolle
TI  - Geography region and concepts
SN  - 0471200603
U1  - 910.091 DE 
PY  - 1971///
CY  - New York
PB  - John Wiley and Sons, Inc
KW  - region of the world
N1  - Include index
ER  -