00322nam a2200121Ia 4500008004100000020001800041041000800059082001200067100001400079245006400093260003500157300000800192240521s1999 xx 000 0 und d a0-7134-7292-8 aeng a621.332 aTURNER J. aLIGHTING, AN INTRODUCTION TO LIGHT, LIGHTING AND LIGHT USE. bB.T. BATSFORD LTD LONDONc1999 a144