TY  - BOOK
AU  - Alexander John W
AU  -  Hartshorn Truman A
TI  - Economic geography
U1  - U6, K3/TD3 
PY  - 1963///
CY  - New Jersey 
PB  - Prentice Hall        
KW  - Economic Geography
N1  - Bibliography  at the end of each chapter
ER  -