000 00549nam a2200193Ia 4500
003 IN-BaIIA
008 211028s9999 xx 000 0 eng d
020 _a0-12-742050-9
040 _cIIA Library
080 _a535.313.6
_bWEL
100 _aWelford, W. T
_94754
245 0 _aAberrations of the symmetrical optical system
_cW. T. Welford
260 _aLondon
_bAcademic Press
_c1974
300 _aix, 240p.
650 _a Aberrations
_98490
650 _a Optics 
_97974
650 _aAstronomy and Astrophysics Thesaurus 
_91143
942 _cBK
999 _c4774
_d4774