TY  - BOOK
AU  - Matheson Douglas W
AU  -  Beauchamp Kennth L
AU  -  Brue Richard L
TI  - Experimental psychology :  Research design and analysis.     
U1  - SM, L4 
PY  - 1974///
CY  - New York  
PB  -  Holt, Rinehart and Winston   
ER  -