TY  - BOOK
AU  - Daugherty,Richard
TI  - Data collection
SN  - 0199130663 (pbk.) :
U1  - 910.0182 
PY  - 1974///
CY  - London
PB  - Oxford University Press
KW  - Geography
KW  - Statistical methods
KW  - Field work
N1  - Includes bibliographical references and index
ER  -