TY - RPRT TI - Fixed-time schedule effects as a function of baseline reinforcement rate. AU - J E Ringdahl AU - T R Vollmer AU - J C Borrero AU - J E Connell PY - 2001 DO - 10.1901/jaba.2001.34-1 UR - https://pubmed.ncbi.nlm.nih.gov/11317982/ ID - 11317982 ER -