Abstract
Any systematic analysis of the literature of oscillating chemical reactions (see., e.g., BURGER and BUJDOSO [1]), would show at least two clear trends. First, there has been a rapid expansion in both the number of papers published annually and in the number of groups working on such problems. Second, and more recent has been a diversification in the set of chemical systems studied; an ever increasing fraction of work is being devoted to systems other than the classic Belousov-Zhabotinskii (BZ) reaction.