Huber, R., Panksepp, J. B., Nathaniel, T., Alcaro, A., & JaakPanksepp. (2010). Drug–sensitive reward in crayfish: An invertebrate model system for the study of SEEKING, reward, addiction, and withdrawal. Neurosci Biobehav Rev.

Huber, Robert, Jules B. Panksepp, Thomas Nathaniel, Antonio Alcaro, و JaakPanksepp. "Drug–sensitive Reward in Crayfish: An Invertebrate Model System for the Study of SEEKING, Reward, Addiction, and Withdrawal." Neurosci Biobehav Rev 2010.

Huber, Robert, et al. "Drug–sensitive Reward in Crayfish: An Invertebrate Model System for the Study of SEEKING, Reward, Addiction, and Withdrawal." Neurosci Biobehav Rev 2010.