Hetherington, A., DiMichele, W., Lucas, S., & Voigt, S. (2019). Tiny rhizomorphic rooting systems from the early Permian Abo Formation of New Mexico, USA. University of Chicago Press.

Hetherington, A., W. DiMichele, S. Lucas, and S. Voigt. Tiny Rhizomorphic Rooting Systems from the Early Permian Abo Formation of New Mexico, USA. University of Chicago Press, 2019.

Hetherington, A., et al. Tiny Rhizomorphic Rooting Systems from the Early Permian Abo Formation of New Mexico, USA. University of Chicago Press, 2019.