000 00409cam a2200157ua 4500
041 _aeng
_h
082 _a371.393
_bDRI/HO
100 _aDriscoll, Gertrude .
245 _aHow to study the behavior of children /
_cGertrude Driscoll.
_hTextual Documents
250 _a1 /
_b.
260 _aNewyork :
_bColumbia university ,
_c1958.
300 _a84 ; .
504 _a
942 _cBK
999 _c8519
_d8519