TY  - BOOK
AU  - Tryfos,Peter
TI  - Sampling Methods for Applied Research: Text and Cases 
SN  - 0471047279
U1  - 519.52 23
PY  - 1996///
CY  - New York
PB  - J. Wiley
KW  - Sampling
KW  - Mathematics
N1  - Includes bibliographical references (p. 434-436) and index
ER  -