LEADER 00000nam 2200229 a 4500 001 0235926 003 UkHlHU 007 t 008 000203 1 1979 000 eng 040 UkHlHU 050 4 BF 720 C63 B3 100 0 Bates, Elizabeth. 245 04 The emergence of symbols :|bcognition and communication in infancy. 260 New York :|bAcademic Press,|c1979. 300 387p. 650 0 Genetic psychology. 650 0 Infants|xPsychology. 650 0 Genetic psychology|xPsychology of development. 650 0 Infants|xPsychology. 946 020 absent -- ISBN check required 946 650 |a & |x subfields only. In at least one case all subfields comprise single words only -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
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