000 00515nam a2200169 a 4500
003 AR-LpUBP
005 20240702182643.0
007 ta
008 090407s1932 xxu g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
100 1 _aBeaver, Alma Perry
_925699
245 1 0 _aThe initiation of social contacts by preschool children. A study of technique in recording social behavior
260 _aNew York :
_bColumbia University,
_c1932.
300 _a65 p. ;
_c21 cm.
942 _cBK
999 _c428913
_d428913
988 _c76
_dMaría Victoria Somoza
_a76
_bMaría Victoria Somoza