Giampietro, Mario; Sorman, Alevgul H. - In: Energy 37 (2012) 1, pp. 5-17
One can measure “energy quantities” – e.g. joules, BTU, quads – but only at a given scale and within a specific narrative about energy conversions at the time. Therefore, at the moment of generating aggregate indicators, the arithmetic summing of assessments of energy quantities...