000 00311nam a2200121Ia 4500
008 211224s9999 xx 000 0 und d
020 _a9781402727153
082 _a372.4 ALL
245 0 _aAll dirty! all clean!
260 _aNew Delhi:
_bSterling Publishing,
_c2005
300 _a24 p. : ill
650 _aEducation
999 _c14810
_d14810