For further information please contact:

  Prof Oleg V. Angelsky,
  Dept of Correlation Optics,
  Chernivtsi University,
  2 Kotsyubinsky str.,
  Chernivtsi 58012, UKRAINE
  Phone/Fax: (380-3722)44730,
  e-mail:
  oleg@optical.chernovtsy.ua
  angelsky@itf.cv.ua
  corropt09@itf.cv.ua