Graczyk, Radomir, Stanisław Seniczak, and Beata Wasińska-Graczyk. 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):59-64. https://doi.org/10.2478/v10120-009-0021-1.