Lock, Kerrie Lum, Gewirtz, Jacob L, Pelaez-Nogueras, Martha. (1998). Infants' approach and avoidance to strangers influenced by maternal contingencies
.
INFANT BEHAVIOR & DEVELOPMENT, 21 80. 10.1016/s0163-6383(98)91295-4
Lock, Kerrie Lum, Gewirtz, Jacob L, Pelaez-Nogueras, Martha. (1998). Infants' approach and avoidance to strangers influenced by maternal contingencies
. INFANT BEHAVIOR & DEVELOPMENT, 21 80. 10.1016/s0163-6383(98)91295-4