TY  - RPRT
TI  - An elementary student as a behavioral engineer.
AU  - P R Surratt
AU  - R E Ulrich
AU  - R P Hawkins
PY  - 1969
DO  - 10.1901/jaba.1969.2-85
UR  - https://pubmed.ncbi.nlm.nih.gov/16795213/
ID  - 16795213
ER  -