TY - RPRT TI - Relative allocation on concurrent schedules can depend on schedule parameters when behavioral parameters are constant. AU - A I Houston AU - J M McNamara AU - B H Sumida PY - 1987 DO - 10.1901/jeab.1987.47-127 UR - https://pubmed.ncbi.nlm.nih.gov/16812467/ ID - 16812467 ER -