TY  - BOOK
AU  - Gail Gellen Levy, Joan G Snodgrass
TI  - Workbook for the numbers game : statistics for Psychology
SN  - 0-683-07815-1
U1  - 150.7253 Lev/Sno 
PY  - 1977///
CY  - The Williams & Wilkins Co, Baltimore
ER  -