TY  - BOOK
AU  - Wrigley, Neil
TI  - Categorical data analysis for geographers and environmental scientis ts
U1  - 519.5302491 WRI 
PY  - 1985///
CY  - London
PB  - Longman
KW  - Geography
KW  - Statistical methods
KW  - Environmental protection
N1  - Bibliography (p. 367-382)
ER  -