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. Belgrade, Serbia, 82(11), pp. 1315–1331. doi: 10.2298/JSC170419075A.