TY  - RPRT
TI  - Interactions in multiple schedules: negative induction with squirrel monkeys.
AU  - R D Spealman
PY  - 1978
DO  - 10.1901/jeab.1978.30-315
UR  - https://pubmed.ncbi.nlm.nih.gov/16812112/
ID  - 16812112
ER  -