Cuvo, A. J., Lerch, L. J., Leurquin, D. A., Gaffaney, T. J., & Poppen, R. L. (1998). Response allocation to concurrent fixed-ratio reinforcement schedules with work requirements by adults with mental retardation and typical preschool children.

Cuvo, A J., L J. Lerch, D A. Leurquin, T J. Gaffaney, und R L. Poppen. Response Allocation to Concurrent Fixed-ratio Reinforcement Schedules With Work Requirements By Adults With Mental Retardation and Typical Preschool Children. 1998.

Cuvo, A J., et al. Response Allocation to Concurrent Fixed-ratio Reinforcement Schedules With Work Requirements By Adults With Mental Retardation and Typical Preschool Children. 1998.