1. A cineradiographic study of bottle feeding;Ardran;British Journal of Radiology,1958
2. A cineradiographic study of bottle feeding;Ardran;British Journal of Radiology,1958
3. Mental development in the child and the race;Baldwin,1895
4. The origins of reciprocity;Brazelton,1974
5. Non-nutritive sucking in great ape and human newborns: Some phylogenetic and ontogenetic characteristics;Brown,1973