Faraj, F.A.M., Šolević Knudsen, T., Stojanović, K., Ivković Pavlović, S., Nytoft, H.P. and Jovančićević, B. 2017. GC–MS vs. GC–MS-MS analysis of pentacyclic terpanes in crude oils from Libya and Serbia – A comparison of two methods. Journal of the Serbian Chemical Society. 82, 11 (Dec. 2017), 1315–1331. DOI:https://doi.org/10.2298/JSC170419075A.