TY  - BOOK
AU  - Alexander ,Jown W. 
TI  - Economic Geography 
U1  - 330.9 
PY  - 1963///
CY  - USA: 
PB  - Prentice Hall , 
KW  - Bioculture
KW  - Commercial Mining
KW  - Economics
KW  - Tertiary Economic
ER  -