Szukana fraza: [Temat i słowa kluczowe = chemia] lub [Tytuł = Effect of molecular structure on optical properties of systems containing carbon chirality centres. \\n Part. 27, \\p 9\-butyl\-9\-methylfluorene\-2\-carboxylic acids and some of their derivatives] lub [Autor = Janczewski, Marian.] lub [Autor = Pawłowska, Ewa \(chemia\).]