00493nam a22002057i 450000500170000000800410001702000150005804100080007310000150008124500400009626000290013630000110016565000240017665000130020065000170021365300120023065500150024283000070025783000230026420141212095144.0931004s1993 sp gr 000 0 spa c a847423008X aspa1 aWALLON, H.10aLA EVOLUCION PSICOLOGICA DEL NIÑO aBARCELONAbCRITICAc1976 a178 p.14aDesarrollo infantil14aInfancia14aPsicología10aMenores 4aDocumental 0a11 0aESTUDIOS Y ENSAYOS