000 00535nam a22001937a 4500
003 OSt
005 20180905120125.0
008 180524b xxu||||| |||| 00| 0 fre d
020 _a0340083816
040 _aLB-BrCRDP
082 _a372.7 L899g
100 _aK. Lovell
245 _aThe Growth of basic mathematical and scientific concepts in children
260 _aLondon
_bUniversity of london
_c1971
300 _a158p
_c22cm
630 _a Number concept in children.
630 _a Conservation (Psychology)
942 _2ddc
_cBK
999 _c19270
_d19270