Yazar
gladys l stephenson
4 cilt bulundu.
Cilt sonuçları
Acute and chronic toxicity to zooplankton of pure pentachlorophenol and a technical formulation
Gladys L. Stephenson · Queen's Printer for Ontario
54 sayfa · 1991
Aquatic animals / Effect of water pollution on / Environmental aspects / Environmental aspects of Pentachlorophenol / Pentachlorophenol
Guidance document on collection and preparation of sediments for physicochemical characterization and biological testing
Gladys L. Stephenson · Environment Canada
132 sayfa · 1994
Marine sediments / Toxicity testing / Methodology / Analysis / Sédiments marins
Biological test method
Gladys L. Stephenson · Environment Canada
41 sayfa · 1992
Toxicology / Environmental aspects / Selenastrum capricornutum / Freshwater algae / Aquatic biology