References
- Biswas , S.C. and Boivin , A. 1976 . Optica Acta , 23 : 569 – 569 .
- Yzuel , M.J. and Calvo , F. 1979 . Optica Acta , 26 : 1397 – 1397 .
- Kibe , J.N. and Wilkins , J.E. Jr . 1983 . J. opt. Soc. Am. , 73 : 387 – 387 .
- Bescós , J. , Altamirano , J.H. , Santamaria , J. and Plaza , A. 1986 . J. Optique, Paris , 17 : 91 – 91 .
- Mills , J.P. and Thompson , B.J. 1986 . J. opt. Soc. Am. A , 3 : 694 – 694 .
- Mills , J.P. and Thompson , B.J. 1986 . J. opt. Soc. Am. A , 3 : 704 – 704 .
- Józwicki , R. 1982 . Optica Acta , 29 : 1383 – 1383 .
- Józwicki , R. 1984 . Optica Acta , 31 : 169 – 169 .
- Hopkins , H.H. and Yzuel , M.J. 1970 . Optica Acta , 17 : 157 – 157 .
- Macdonald , J. 1971 . Optica Acta , 18 : 269 – 269 .
- Yzuel , M.J. and Calvo , F. 1983 . Optica Acta , 30 : 233 – 233 .
- Yzuel , M.J. and Arlegui , F. 1980 . Optica Acta , 27 : 549 – 549 .
- Hopkins , H.H. 1966 . Optica Acta , 7 : 197 – 197 .
- Hopkins , H.H. 1981 . Optica Acta , 28 : 667 – 667 .
- Hopkins , H.H. 1985 . Appl. Optics , 24 : 2491 – 2491 .
- Hopkins , H.H. 1983 . Applied Optics and optical Engng , Edited by: Shannon , R.R. and Wyant , J.C. Vol. IX , 307 – 369 . New York : Academic Press .
- Cox , A. 1964 . A System of Optical Design , London : Focal Press .