Photovoltaic plant cloud shadowing and energy drops in Northern Europe. - Giovanni Petrone; Sabatino Romanelli; Giovanni Spagnuolo; Seppo Valkealahti (ICIT, 2018)

Photovoltaic module series resistance identification at its maximum power production. - Kari Lappalainen; Michel Piliougine; Seppo Valkealahti; Giovanni Spagnuolo (Math. Comput. Simul., 2024)