000 00335nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aWilson, A J C
245 0 _aX-ray optics
260 _bMETHUEN & Co Ltd
_aLONDON
_c1949
300 _aVII, 127p p.
653 _aPHYSICS
942 _c1
999 _c23501
_d23501