TY - RPRT TI - PARTIAL REINFORCEMENT (ACQUISITION) EFFECTS WITHIN SUBJECTS. AU - A AMSEL AU - J R MACKINNON AU - M E RASHOTTE AU - C T SURRIDGE PY - 1964 DO - 10.1901/jeab.1964.7-135 UR - https://pubmed.ncbi.nlm.nih.gov/14130088/ ID - 14130088 ER -