000 00244nam a2200109Ia 4500
008 160710s1937 xx 000 0 und d
100 _aHARDY,A
245 _aPRINCIPLES OF OPTICS
260 _bMCGRAW-HILL
_c1937
300 _a632
942 _2ddc
_cB
999 _c9460
_d9460