Braungart-Rieker JM, Garwood MM, Powers BP et al. (2001) . Parental sensitivity, Infant affect, and affect regulation : Predictors of later attachment. Child Development. 72 (1) . 252-270.
Braungart R Julia, Courtney S, Garwood Molly M. (1999a) . Mother-and father-infant attachment : Families in context. Journal of Family Psychology. Vol 13(4) . 535-553.