TY  - BOOK
AU  - Dalton,Roger
TI  - Sampling techniques in geography
T2  - Modern techniques in geography
SN  - 0540009849 :
AV  - G70.3 .S25
U1  - 910.9076 
PY  - 1975///
CY  - London
PB  - G. Philip
KW  - Geography
KW  - Statistical methods
KW  - Sampling (Statistics)
N1  - Bibliography: p. 88
ER  -