DC Public Library System
531.6
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http://bibfra.me/vocab/lite/Category
Label
531.6
Code
531.6
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ddc
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Energy, Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Erren Gottlieb, James McKenna
Investigating forces and motion, Richard Spilsbury
Energy, physical science for kids, Andi Diehn ; illustrated by Shululu
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