TY  - BOOK
AU  - KRAEMER, Helena.Chmura
AU  - Sue Thiemann
TI  - How many Subjects?: Statistical power anaysis in research
SN  - 0803929498
U1  - 001.4 
PY  - 1987///
CY  - Newbury Park
PB  - Sage
N1  - Includes bibliographical references and index
ER  -