The 7th Symposium was held in Berlin, Germany, May 30 - June 2, 1994.
The 6th Symposium was held in Nicosia, Cyprus in 1990.
The 5th Fertilizer Symposium was held in Balatonfüred, Hungary on September 1-4, 1987.
The 4th Symposium was held in Braunschweig, Germany on May 11-14, 1987.
The 3rd Symposium was held in Benghazi, Libya in 1979.
The 2nd Symposium was held in Vienna, Austria in 1978.
The 1st Symposium was held in Vienna, Austria in 1977.
A special meeting of CIEC (3rd General Assembly) had been organized in 1953 in Darmstadt on the occasion of the 150th...
