I'm trying to find E-mail addresses of several people working with ratioable ionic dyes: M.D. Fricker (Univ. of Oxford?) or M.R. Blatt, Anneke Wiltink or Arnoud van der Laarse, G. Grynkiewicz Could somebody help me, please. Thanx Grazyna Tokarczyk Dept of Oceanography Dalhousie University Halifax N.S. B3H2Z9 Canada Misiak at ac.dal.ca