1. Ahrné K, Bengtsson J, Elmqvist T (2009) Bumblebees (Bombus spp.) along a gradient of increasing urbanization. PLoS ONE. https://doi.org/10.1371/journal.pone.0005574
2. Aldous DE, Hunter A, Martin PM, Nektarios PA, McAuliffe KW (2014) Management of sports turf and amenity grasslands. In: Dixon GR, Aldous DE (eds) Horticulture: plants for people and places, vol 2. Springer, Dordrecht, pp 731–761
3. ASA-SSSA (1996) Methods of Soil Analysis, Part 1 and 3. Physical and Chemical Methods, 2nd edn. Madison, Wisconsin
4. Beard JB (1973) Turfgrass: science and culture. Prentice Hall, Englewood Cliffs
5. Beard JB, Green RL (1994) The role of turfgrasses in environmental protection and their benefits to humans. J Environ Qual 23(3):452–460