000			003630000a22001570004500
245			_aGeometrical and physical optics
100			_aLonghurst, R.S.
250			_a3rd ed.
260			_aLondon _bLongman _c1973
300			_axviii, 677p. : ill.
500			_aIndex included
020			_a0582440998
080			_a535.3 _bL6
041			_aEN
942			_cBK
999			_c101577 _d101577