1. Individual differences of behavior in early infancy, and an objective method for recording them: II. Results and conclusions;Balint;Journal of Genetic Psychology,1948
2. Nonnutritive sucking in great ape and human newborns: Some phylogenetic and ontogenetic considerations;Brown,1973
3. A system for response measurement and reinforcement delivery for infant sucking behavior research;DeLucia;Journal of Experimental Child Psychology,1967
4. Sucking, state, and perinatal distress in newborns;Dreier;Biology of the Neonate,1972
5. Sucking in the newborn during a feed;Dubignon;Journal of Experimental Child Psychology,1969