29.
A Hundred Giants: New Discoveries
by T. L. Armstrong, Gaetan Alg...
ISBN: 9781542875776
List Price: $18.95
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Medir el Peso (Measuring Weight)
by Baer, T. H., Sarfatti, Esther
ISBN: 9781482443646
List Price: $22.60
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Medir la Temperatura (Measuring Temperature)
by Baer, T. H., Sarfatti, Esther
ISBN: 9781482443745
List Price: $8.15
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Medir la Velocidad (Measuring Speed)
by Baer, T. H., Sarfatti, Esther
ISBN: 9781482443653
List Price: $22.60