Hammarlund, E. U., Smith, M. P., Rasmussen, J. A., Nielsen, A. T., Canfield, D. E., & Harper, D. A. T. (2018). The Sirius Passet Lagerstätte of North Greenland—A geochemical window on early Cambrian low‐oxygen environments and ecosystems. Geobiology.

Hammarlund, Emma U., M. Paul Smith, Jan A. Rasmussen, Arne T. Nielsen, Donald E. Canfield, und David A. T. Harper. "The Sirius Passet Lagerstätte of North Greenland—A Geochemical Window On Early Cambrian Low‐oxygen Environments and Ecosystems." Geobiology 2018.

Hammarlund, Emma U., et al. "The Sirius Passet Lagerstätte of North Greenland—A Geochemical Window On Early Cambrian Low‐oxygen Environments and Ecosystems." Geobiology 2018.