00277nam a2200121Ia 4500008004100000041000800041082000800049100001800057245002400075250001100099260003700110300000800147211209s1987    xx            000 0 und d  aeng  aVAS  aVASUDEVA, D N  aTEXT BOOK OF LIGHT   a10 ed.  aNEW DELHIbATMA RAM & SONSc1987  a628