1. Barberena-Arias, M. F., G. González, and E. Cuevas (2012) “Quantifying Variation of Soil Arthropods Using Different Sampling Protocols: Is Diversity Affected?” Pages 51-70 in: Sudarshana, P.; Nageswara-Rao, M.; and Soneji, J.R., eds. Tropical Forests. Intech (online publisher).
2. Blake, G. R., and K. H. Hartge (1986) “Bulk Density.” Methods of Soil Analysis – Part 1: Physical and Mineralogical Methods. A. Klute, ed., Soil Science Society of America, Madison, Wis., 363-375.
3. Divergent Vegetation Growth Patterns Relative to Bioinfiltration Unit Size and Plant Placement
4. Byrd D. W. C. J. Nusbaum and K. R. Barker (1966) “A rapid flotation-sieving technique for extracting nematodes from soil” Plant Disease Reporter Bureau of Plant Industry USDA Vol. 50 No. 12 Pp. 954-956.
5. Callahan, M. A., D. A. Crossley, and D. C. Coleman (2018) Chapter 25.4 Macroarthropods (pp 19-26), Section 25 Soil Fauna, Handbook of Soil Sciences, Editors P. M. Huang, Y. Li, and M. E. Sumner, CRC Press, Oct 3, 2018, 2272 pages.