Schmitz, R. W., Serre, D., Bonani, G., Feine, S., Hillgruber, F., Krainitzki, H., . . . Smith, F. H. (2002). The Neandertal type site revisited: Interdisciplinary investigations of skeletal remains from the Neander Valley, Germany. The National Academy of Sciences.

Schmitz, Ralf W., David Serre, Georges Bonani, Susanne Feine, Felix Hillgruber, Heike Krainitzki, Svante Pääbo, and Fred H. Smith. The Neandertal Type Site Revisited: Interdisciplinary Investigations of Skeletal Remains From the Neander Valley, Germany. The National Academy of Sciences, 2002.

Schmitz, Ralf W., et al. The Neandertal Type Site Revisited: Interdisciplinary Investigations of Skeletal Remains From the Neander Valley, Germany. The National Academy of Sciences, 2002.