73 May Eric A. Jacobs and Timothy D. Hackenberg. A failure of molar maximization. 73 May Jennifer O'Donnell, John Crosbie, Dean C. Williams, and Kathryn J. Saunders. Stimulus control and generalization of point-loss punishment with humans. 74 July Michael Davison and William M. Baum.
Every reinforcer counts.
74 July Murray Sidman. Equivalence relations and the reinforcement contingency. 74 September James S. MacDonall. Synthesizing concurrent interval performances. 74 September Olive Healy, Dermot Barnes-Holmes, and Paul M. Smeets.