Graczyk, R., Seniczak, S. and Wasińska-Graczyk, B. (2011) “Effect of cattle liquid manure fertilization and disinfectant on seasonal dynamics of Oribatida (Acari) in a permanent lowland meadow in Poland”, Biological Letters, 47(2), pp. 59–64. doi: 10.2478/v10120-009-0021-1.