created PVSC 2018 Fig.13 re-done with v.0.3.0
created PVSC 2018 Fig.13 re-done with v.0.3.0

created PVSC 2018 Fig.13 re-done with v.0.3.0

NREL/bifacial_radiance,NREL/bifacial_radiance,NREL/bifacial_radiance,NREL/bifacial_radiance