00951nam0-22003131i-450-99000046378040332120090331144140.0000046378FED01000046378(Aleph)000046378FED0100004637820020821d1951----km-y0itay50------baengNLa-------001yyManual for the illuminating engineer on large size perfect diffusorsH. ZijlNetherlandN. V. Philips industries1951196 p.ill.23 cm3 tav.<<The >>series of books on light and lightinghIlluminotecnica535.6Zijl,H.361792ITUNINARICAUNIMARCBK99000046378040332110 D IV 393603DINELDINELManual for the illuminating engineer on large size perfect diffusors334897UNINA