Three eco-tool comparison with the example of the environmental performance of domestic solar flat plate hot water systems by Martinopoulos G., Tsilingiridis G. and Kyriakis N.
Slag and ash chemistry after high-calcium lignite combustion in a pulverized coal-fired power plant by Papastergios G., Fernandez –Turiel J.L., Georgakopoulos A. and Gimeno D.
Characterization of packaging grade papers from recycled raw materials through the study of fibre morphology and composition by Adamopoulos S., Martinez E. and Ramirez D.