000 00294nam a2200109Ia 4500
008 160710s1961 xx 000 0 und d
100 _aJOHN K. ROBERSTON
245 _aINTORDUCTION TO OPTICS GEOMETRICAL & PHYSICAL
260 _aTORONTO
_bD. VAN NOSTRAND
_c1961
300 _a416
942 _2ddc
_cB
999 _c27837
_d27837