000 00273nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a371.90447 B618
100 _a"Bird, Ronit"
245 0 _aOvercoming difficulties with number
260 _c2009
942 _2lcc
_cBK
_kCirc.
999 _c13698
_d13698