TY  - BOOK
AU  - Van Valkenburg,Samuel
AU  - Stotz,Carl Louis
TI  - Elements of political geography
U1  - 910 
PY  - 1954/// [Reprinted 1963]
CY  - New Delhi
PB  - Prentice-Hall
KW  - Geography
KW  - World politics
KW  - Boundaries
KW  - Human geography
N1  - Bibliography": p. 379-387
ER  -