This article maybe? https://www.witpress.com/Secure/elibrary/papers/ESUS07/ESUS07016FU1.pdf https://www.witpress.com/Secure/elibrary/papers/ESUS07/ESUS0... * (n

This article maybe? https://www.witpress.com/Secure/elibrary/papers/ESUS07/ESUS07016FU1.pdf https://www.witpress.com/Secure/elibrary/papers/ESUS07/ESUS0... * (net embedded energy is offset in 12 monthes)