Biological control of photosynthesis : proceedings of a conference held at the "Limburgs Universitair Centrum", Diepenbeek, Belgium, 26-30 August 1985
edited by R. Marcelle, H. Clijsters and M. van Poucke
(Advances in agricultural biotechnology)
Martinus Nijhoff , Distributors for the U.S. and Canada, Kluwer Academic Publishers, 1986