PN C04544-02-1987 Water and waste water Tests for polycyclic aromatic hydrocarbons (PAH) Determination of benzo(a)pyrene in water by two-dimensional thinlayer chromatography method
1987PN C04544-02-1987 Water and waste water Tests for polycyclic aromatic hydrocarbons (PAH) Determination of benzo(a)pyrene in water by two-dimensional thinlayer chromatography method