000 00280nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aLonghurst R S
245 0 _aGeometrical And Physical Optics
260 _bOrient Longman
300 _a657
650 _aPhysics
942 _cBK
999 _c34148
_d34148