44th ASES national solar conference (SOLAR 2015) : expanding horizons: shaping the new energy economy : State College, Pennsylvania, USA : 28-30 July 2015 : Jul 2015, State College, PA.
44th ASES national solar conference (SOLAR 2015) : expanding horizons: shaping the new energy economy : State College, Pennsylvania, USA : 28-30 July 2015 : Jul 2015, State College, PA.