000 00505nam a22001937a 4500
001 16672
003 BD-DhUET
008 150321b xxu||||| |||| 00| 0 eng d
040 _aDLC
_cDLC
_dBD-DhUET
082 _a535.33
_bWEL/1962
100 _aWelford, W. T.
245 _aGeometrical optics
_boptical instrumentation
250 _a1st ed.
260 _aAmsterdm
_bNorth-Holland
_c1962
300 _ax, 200p.
_billus.
504 _aIncludes bibliographies
650 0 _aGeometrical optics
942 _cGB
999 _c16672
_d16672