00663nam a22002537i 4500 20141212085836.0 871001s1987 sp gr 000 0 spa c 0300-4430 (papel) 1476-8275 (online) eng KIRKLAND, J. PICGRIDS AS A TECHNIQUE FOR INVESTIGATING PARENT-INFANT INTERACTION Investigación Psicología Relación madre-hijo Documental EARLY CHILD DEVELOPMENT AND CARE Vol. 24, no. 1-2 (1986), p. 1-15 31 B1 H8 AR 19871001 R.557 Depósito (55) AR