000 00408pam a2200157a 44500
008 160408b1974 xxu||||| |||| 00| 0 eng d
082 _a535.4
_bW457
100 _aWelford, W. T.
245 1 _aABERRATIONS OF THE SYMMETRICAL OPTICAL SYSTEM
260 _aLondon
_bAcademic Press
_c1974
300 _a240
650 _aAberration
650 _aOptics, Geometrical
964 _gCIRC
997 _aA45738 C
999 _c258919
_d258919