Grafe, T. U., Schöner, C. R., Kerth, G., Junaidi, A., & Schöner, M. G. (2011). A novel resource–service mutualism between bats and pitcher plants. The Royal Society.

Grafe, T. Ulmar, Caroline R. Schöner, Gerald Kerth, Anissa Junaidi, and Michael G. Schöner. A Novel Resource–service Mutualism between Bats and Pitcher Plants. The Royal Society, 2011.

Grafe, T. Ulmar, et al. A Novel Resource–service Mutualism between Bats and Pitcher Plants. The Royal Society, 2011.