1. Application of microchemical techniques: identity of soil samples;Goin;J. Crim. Law Criminol. Pol. Sci.,1947
2. Forensic aspects of the analysis of soils;Melson,1975
3. The examination of soil with particular reference to the density gradient test;Peters,1962
4. Identification of stains of nonbiological origin;Nickolls,1962
5. The analytical use of density gradient separations;McCrone;J. Forensic Sci.,1969