@inbook {1607384, title = {Chapter 4: Density Determination and Separation via Magnetic Levitation}, booktitle = {Leading Edge Techniques in Forensic Trace Evidence Analysis: More New Trace Analysis Methods}, year = {2022}, note = {1348}, pages = {103-147}, publisher = {John Wiley \& Sons, Inc.}, organization = {John Wiley \& Sons, Inc.}, edition = {1st}, author = {Abrahamsson, C. K. and Ge, S. and Bell, J. and Blackledge, R. and Whitesides, G. M.} }