TY  - BOOK
AU  - Jackson,Donald A.
AU  - Della-Piana,Gabriel M.
AU  - Sloane,Howard Norman
TI  - How To Establish A Behavior Observation System
SN  - 0877780854
U1  - 150.1943 JAC 
PY  - 1975///
CY  - Englewood Cliffs, N.J.
PB  - Educational Technology Publications.
KW  - Psychology, Experimental
N1  - Bibliography: p. 89-90
ER  -