Search for "polycyclic aromatic hydrocarbons (PAHs)" in Full Text gives 27 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2013, 9, 2320–2327, doi:10.3762/bjoc.9.266
Beilstein J. Org. Chem. 2008, 4, No. 1, doi:10.1186/1860-5397-4-1