Reference

Thomas Becker, Christine Schmiege, Erwin Bergmeier, Jürgen Dengler, Bernd Nowak (2012): Nutrient-poor grasslands on siliceous soil in the lower Aar valley (Middle Hesse, Germany) – neglected vegetation types in the intersection range of four classes – Tuexenia - Mitteilungen der Floristisch-soziologischen Arbeitsgemeinschaft – NS_32: 281 - 318.