Authors: Premovic, PI Tonsa, IR Dordevic, DM Premovic, MP

Citation: Pi. Premovic et al., Incorporation of vanadyl porphyrins into kerogen structures during catagenesis, FUEL, 79(9), 2000, pp. 1089-1094

Authors: Premovic, PI Nikolic, ND Tonsa, IR Pavlovic, MS Premovic, MP Dulanovic, DT

Citation: Pi. Premovic et al., Copper and copper(II) porphyrins of the Cretaceous-Tertiary boundary at Stevns Klint (Denmark), EARTH PLAN, 177(1-2), 2000, pp. 105-118