TY  - RPRT
TI  - Classroom observation code for hyperactive children: a replication of validity.
AU  - H Abikoff
AU  - R Gittelman
AU  - D F Klein
PY  - 1980
DO  - 10.1037//0022-006x.48.5.555
UR  - https://pubmed.ncbi.nlm.nih.gov/7410654/
ID  - 7410654
ER  -