%0 conference lecture %@ %A Alexopoulos, N.D.,Zeimpekis, V.S.,Velonaki, Z.,Gialos, A.,Macheridou, S.,Kashaev, N.,Enz, J.,Riekehr, S.,Karanika, A.,Marioli-Riga, Z. %D 2014 %J Greener Aviation 2014 %N %P %T Towards integral aeronautical laser beam welded structures from innovative Al-Li aluminium alloys; The trade-offs between manufacturing costs and the environmental footprint %U %X