Ecotoxicological risk assessment manual for chemicals in the aquatic environment /
Bates, K. L.author.
Hedgecott, S.,author.
Grimwood, M. J.(Mark J.),author.
Sims, I.,author.
Fawell, J. K.(John Kirtley),1945-author.
Scotland & Northern Ireland Forum for Environmental Research.
"Report no. SR 3846/1."
"March 1996."