TY  - GEN
AU  - Williams, R.B.G.
TI  - Introduction to statistics for geographers and earth scientist
SN  - 0333352750
U1  - 519.502491 
PY  - 1984///
CY  - London
PB  - Macmillan
KW  - Geography-Statistical methods
N1  - Includes index
ER  -