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245 _aBrightness and dullness in children (2nd ed.).
260 _aUnited States
_bJ B Lippincott Company
650 _aPsychology
_920186
856 _uhttp://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqm&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&genre=journal&req_dat=xri:pqil:pq_clntid=50681&svc_dat=xri:pqil:context=title&rft_dat=xri:pqd:PMID=886347
906 _a1-Jan-1923
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