Wastewater for aquaculture : proceedings of a workshop on biological production systems and waste treatment held at University of the Orange free state, South Africa, 12-13 Mar. 1980


edited by Johan U. Grobbelaar, Carl J. Soeder and Danie F. Toerien
Inglês
215 p. : il.; 21 cm
  • Grobbelaar,, Johan U.
  • Soeder,, Carl J.
  • Toerien,, Danie F.