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Request Verification Requesting Energy efficiency and human activity : past trends, future prospects / Lee Schipper and Stephen Meyers with Richard B. Howarth and Ruth Steiner ; prologue by John Holdren Requesting Energy efficiency and human activity : past trends, future prospects / Lee Schipper and Stephen Meyers with Richard B. Howarth and Ruth Steiner ; prologue by John Holdren Please enter the following information: For example, type "Jane Smith" and then press the RETURN key. Your Name: 例如, 輸入 "A123456789", 然後按 RETURN 鍵. ID NO.

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