Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Density Determination Via Magnetic Levitation Presenting section: Criminalistics 2012 Blackledge, Robert D., El Cajon CA; Lockett, Matthew R., Cambridge MA; Mirica, Katherine A., Cambridge MA; Mace, Charles R., Cambridge MA; Whitesides, George M., Cambridge MA View the paper Criminalistics