Clocks and calendars / Steffora, Tracey

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ISBN13: 
9781432949044
9781432949112
9781432949068
Compare Title: 
clocksandcalendars
Call Number: 
529

Clocks and calendars

  • Steffora, Tracey
2011
Explains what time is and how it is measured with clocks and calendars.
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