TY  - BOOK
AU  - A G Wilson and M J Kirkby 
AU  - Wilson, A G     Kirkby, M J 
TI  - Mathematics For Geographers and Planners 
SN  - 0198740220
U1  - 510.2491 WIL K  
PY  - 1975///
CY  - Oxford
PB  - Clarendon
KW  -  
KW  - Mathematics 
ER  -