1. Minczevski J, Chwastowska J, Dybezynski D (1982) Separation and preconcentration methods in inorganic analysis. Ellis Horwood, Chichester
2. Bag H, Elçi A, Elçi L (2006) Determination of lead, iron, manganese and zinc in sea water samples by atomic absorption spectrometry after preconcentration with Chromosorb 105. Eur J Anal Chem 1:42–54
3. Grimmer G (1983) In: Grimmer G (ed) Environmental carcinogens. CRC Press, Boca Raton
4. Jacob J (1996) The significance of polycyclic aromatic hydrocarbons as environmental carcinogens. Pure Appl Chem 68:301–308
5. Edwards CA (1993) In: Pimentel D, Lehman H (eds) The pesticide question: environment, economics, and ethics. Chapman & Hall, New York