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The New Amateur Astronomer (The Patrick Moore Practical Astronomy Series)
0Original price was: $117.00.$12.00Current price is: $12.00. -
Using the Meade ETX: 100 Objects You Can Really See with the Mighty ETX (The Patrick Moore Practical Astronomy Series)
0Original price was: $83.00.$9.00Current price is: $9.00. -
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Weather Modeling and Forecasting of PV Systems Operation (Green Energy and Technology)
0Original price was: $63.00.$14.00Current price is: $14.00.
