TY  - BOOK
AU  - Swinton,Spencer S
AU  - Wild, Cheryl L. 
AU  - Wallmark, Madeline M. 
TI  - Investigation of practice effects on item types in the Graduate Record Examinations Aptitude Test
T2  - GRE Board professional report, no. 80-1cP
U1  - 100 SD:15394378 
PY  - 1983///
CY  -  Princeton, NJ
PB  - Educational Testing Service
KW  - Graduate Record Examination
ER  -