000 00312nam a2200109Ia 4500
008 240112s9999 xx 000 0 und d
100 _aSubrahamanian, P R, et al.
245 0 _aTextbook of light
260 _a Madras
_bS Viswanathan
_c1963
650 _aLight & paraphotic phenomena (Optics); Physics
942 _cBK
999 _c47392
_d47392