1. Preservation of titanosaur egg clutches in Upper Cretaceous cumulative palaeosols (Los Llanos Formation, La Rioja, Argentina;Basilici;Palaeogeography, Palaeoclimatology, Palaeoecology,2017
2. Pedology, weathering, and geomorphological research [M];Birkeland,1974
3. Soils and geomorphology;Birkeland,1984
4. Palaeoenvironmental interpretation of dinosaur-and mammal-bearing continental Maastrichtian deposits, Haþeg basin, Romania;Bojar;Geological Quarterly,2005
5. Records of past global changes;Bradley,1991