Woodhead, Jon, Reisz, Robert, Fox, David, Drysdale, Russell, Hellstrom, John, Maas, Roland, Cheng, Hai, Edwards, R. Lawrence. Geological Society of America; 2010. Speleothem climate records from deep time? exploring the potential with an example from the Permian.
Ihlenfeld, Christian, Norman, Marc D., Gagan, Michael K., Drysdale, Russell N., Maas, Roland, Webb, John. Elsevier Science Ltd.; 2003. Climatic significance of seasonal trace element and stable isotope variations in a modern freshwater tufa.
Drysdale, Russell, Zanchetta, Giovanni, Hellstrom, John, Maas, Roland, Fallick, Anthony, Pickett, Matthew, Cartwright, Ian, Piccini, Leonardo. Geological Society of America; 2006. Late Holocene drought responsible for the collapse of Old World civilizations is recorded in an Italian cave flowstone.