TY  - BOOK
AU  - Unwin,David J.(David John),1943-
TI  - Introductory spatial analysis
SN  - 0416721907
PY  - 1981///
CY  - London
PB  - Methuen
KW  - Maps
KW  - Spatial analysis (Statistics)
N1  - Includes bibliographies and index
ER  -