TY  - BOOK
AU  - LONGHORN Roger A
AU  -  BLAKEMORE Michael
TI  - Geographic information:  Value, pricing, production and consumption   
SN  - 9780849334146
U1  - U:(D6, 9(B), P8 
PY  - 2008///
CY  - Boca Raton 
PB  - CRC Press        
KW  - Geography
ER  -