000 00287nam a2200109 a 4500
005 20140414131959.0
008 110214s19uu xx 00 eng d
050 _aTR 372.7
_bH76 2005
100 _aHood, Christine
245 _aTime, money and measurement :
_bGrades 2-3.
999 _c113033
_d113033