TY  - BOOK
AU  -  Hetzel Michael L., Hetzel Carol
TI  - Relay circuits for psychology
U1  - 150.028 
PY  - 1969///
CY  - New York
PB  - Appletion-Century-Crofts
KW  - Experimental Apparatus
KW  - Psychology, Experimental
N2  -  Psychology, Experimental, Experimental Apparatus
ER  -