000 00387nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 535 NEL-L3
100 _aNelkon, M
245 _aLight and sound
250 _a3
260 _bHeinemann Educational, London
260 _c1965
300 _a420
650 _aLight & paraphotic phenomena (Optics); Physics
942 _cBOOKS
999 _c11194
_d11194