TY  - BOOK
AU  - Gorman,M.
AU  - Walker,Robert
AU  - Hopkins,Carry
ED  - University of California. 
TI  - Introduction to sampling : : principles, procedures and tables for sampling 
PY  - 1978///
CY  - New York
PB  - Universty of California, 
KW  - Sears List of Subject Headings
KW  - Sampling (Statitstics)
ER  -