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1Published 1979Subjects: “...Solar energy United States Experiments Juvenile literature....”
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4
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5Subjects: “...Solar energy United States....”
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6Published 1978Subjects: “...Solar energy United States....”
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8
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9by DeLeon, PeterSubjects: “...Solar energy United States....”
Published 1979
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10Published 1979Subjects: “...Solar energy United States....”
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11by Wilcoxson, A. L.Subjects: “...Solar energy United States....”
Published 1979
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12Published 1981Subjects: “...Solar energy United States....”
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13by Milne, MurraySubjects: “...Solar energy United States....”
Published 1979
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14by Bush, Leon R.Subjects: “...Solar energy United States....”
Published 1980
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15by Frankel, EugeneSubjects: “...Solar energy United States....”
Published 1983
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16by Selc̦uk, M. K.Subjects: “...Solar energy United States....”
Published 1984
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17Published 1983Subjects: “...Solar energy United States....”
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18Published 1983Subjects: “...Solar energy United States....”
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19by Johnson, D. L. (David Leroy), 1947-Subjects: “...Solar energy United States....”
Published 1984
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20by Mahajan, Bal M.Subjects: “...Solar energy United States....”
Published 1984
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