1. Standard Methods for the Examination of Water and Wastewater,1992
2. Standard practice for conducting acute toxicity and amphibians. Report E-790-80,1980
3. Becker, E., 1992. Ableitung von Qualitatszielen zum Schutz Oberirdischer Binnengewasser fur Organozinnverbindungen: Dibutylzinnverbindungen, Tetrabutylzinn, Tributylzinnverbindungen, Triphenylzinnverbindungen. Umweltbundesamt, Entwurf fur den BLAK QZ, Stand 26.3.
4. Carral, C.L., 1997. Vegetal Pharmacology CDrom (version 2). Blatta Soft. Ed. Agrotecnicas S.L.
5. The change in phototactic behaviour of a Daphnia magna clone in the presence of fish kairomones: the effect of exposure time;De Meester;Hydrobiologia,1997