Nomikou, I., Rohlfing, K., &; Szufnarowska, J. (2013). Educating attention: recruiting, maintaining, and framing eye contact in early natural mother-infant interactions. Interaction Studies, 14(2), 240–267.https://doi.org/10.1075/is.14.2.05nom 
LibreCat: /record/17204
DOI: 10.1075/is.14.2.05nom

Grimminger, A., Rohlfing, K., &; Stenneken, P. (2010). Children’s lexical skills and task demands affect gestural behavior in mothers of late-talking children and children with typical language development. Gesture, 10(2), 251–278.https://doi.org/10.1075/gest.10.2-3.07gri 
LibreCat: /record/17256
DOI: 10.1075/gest.10.2-3.07gri