Spatial effects of artificial feeders on hummingbird abundance, floral visitation and pollen deposition - Jesper Sonne; Peter Kyvsgaard; Pietro Kiyoshi Maruyama; Jeferson Vizentin-Bugoni; Jeff Ollerton; Marlies Sazima; Carsten Rahbek; Bo Dalsgaard (Journal of Ornithology, 2016)

Nitrogen mineralization from sheep faeces can be predicted from the apparent digestibility of the feed - Peter Kyvsgaard; Peter Sørensen; Erik Møller; Jakob Magid (Nutrient Cycling in Agroecosystems, 2000)