LEADER 00000nam 2200193 a 4500 001 0633081 003 UkHlHU 007 t 008 000605 2 1956 000 eng 040 UkHlHU 050 4 IVP K7 100 0 Koch, Helen Lois. 245 00 Attitudes of young children towards their peers as related to certain characteristics of their siblings. 260 Washington :|bAmerican Psychological Association,|c1956. 300 0000p. 440 0 Psychological monographs 946 6XX absent
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