TY  - BOOK
AU  - Conway, Freda.
TI  -  Sampling: an introduction for social scientists 
T2  - Minerva series of students handbooks
U1  - 519.52 
PY  - 1967///
CY  - London
PB  - Allen & Unwin
KW  - Sampling (Statistics)
N1  - Includes bibliographical references and index
ER  -