TY  - RPRT
TI  - Absolute and relational responding on an intermediate size transposition task with first-grade children.
AU  - A Weinstock
PY  - 1972
DO  - 10.1080/00221325.1972.10533127
UR  - https://pubmed.ncbi.nlm.nih.gov/5069759/
ID  - 5069759
ER  -