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Journal of the Illuminating Engineering Institute of Japan
Some Characteristics of the Shadow Produced by a globe as a Shadow Caster Setting under a Horizontal Linear Light Source. Yoshihiko Ohtani (Fellow Member) Yoshiteru Fujiwara (Fellow Member)doi:10.2150/jieij1980.70.6_249 fatcat:lly2i7iiz5gadod5stealmwagm