TY  - BOOK
AU  - x, x
AU  - Thoresen,Carl E.
TI  - Behavior modification in education: The sevent-second yearbook of the National society for the study of education
SN  - x
U1  - 371.89760973/BEH 
PY  - 1973///
CY  - Chicago
PB  - Univ. Press
KW  - Education -Yearbook
N1  - x
ER  -