TY  - BOOK
AU  - Wilson,A.G.
AU  - Kirkby,M.J.
TI  - Mathematics for geographers and planners
T2  - Contemporary problems in geography
SN  - 0198741146
U1  - 526.2491 
PY  - 1980///
CY  - Oxford
PB  - Clarendon Press, 
KW  - GEOGRAFIA MATEMATICA
N1  - Incluye referencia bibliográfica: p. [367]-373
ER  -